US3650310A - Combination boat trim tab and heat exchanger - Google Patents
Combination boat trim tab and heat exchanger Download PDFInfo
- Publication number
- US3650310A US3650310A US55427A US3650310DA US3650310A US 3650310 A US3650310 A US 3650310A US 55427 A US55427 A US 55427A US 3650310D A US3650310D A US 3650310DA US 3650310 A US3650310 A US 3650310A
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- Prior art keywords
- boat
- trim tab
- interior
- cooling
- inlet
- Prior art date
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- Expired - Lifetime
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
- B63H20/28—Arrangements, apparatus and methods for handling cooling-water in outboard drives, e.g. cooling-water intakes
- B63H20/285—Cooling-water intakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63B—SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING
- B63B39/00—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude
- B63B39/06—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water
- B63B39/061—Equipment to decrease pitch, roll, or like unwanted vessel movements; Apparatus for indicating vessel attitude to decrease vessel movements by using foils acting on ambient water by using trimflaps, i.e. flaps mounted on the rear of a boat, e.g. speed boat
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H20/00—Outboard propulsion units, e.g. outboard motors or Z-drives; Arrangements thereof on vessels
- B63H20/24—Arrangements, apparatus and methods for handling exhaust gas in outboard drives, e.g. exhaust gas outlets
- B63H20/245—Exhaust gas outlets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/12—Use of propulsion power plant or units on vessels the vessels being motor-driven
- B63H21/14—Use of propulsion power plant or units on vessels the vessels being motor-driven relating to internal-combustion engines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/38—Apparatus or methods specially adapted for use on marine vessels, for handling power plant or unit liquids, e.g. lubricants, coolants, fuels or the like
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
- F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
- F28D1/0206—Heat exchangers immersed in a large body of liquid
- F28D1/022—Heat exchangers immersed in a large body of liquid for immersion in a natural body of water, e.g. marine radiators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
- F28F3/12—Elements constructed in the shape of a hollow panel, e.g. with channels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/02—Use of propulsion power plant or units on vessels the vessels being steam-driven
- B63H21/10—Use of propulsion power plant or units on vessels the vessels being steam-driven relating to condensers or engine-cooling fluid heat-exchangers
Definitions
- ABSTRACT A combination boat trim tab and heat exchanger for an engine driven boat in which the trim tab body is hollow and has an inlet and outlet connected to the hollow interior and is adapted to be connected to the boat engine cooling system with elongate fins secured to the bottom of the outside of the body and axially aligned with the longitudinal axis of the boat.
- the hollow interior of the body' including a serpentine passageway between the inlet and outlet thereby increasing the heat exchange area in contact with the engine cooling [72]
- the present invention is directed to providing a combination boat trim tab and heat exchanger for an engine driven boat which will increase the cooling capacity of the engine without subjecting the internal working parts of the engine to the water in which the boat operates and yet will not interfere with the operational performance of the boat.
- the combination boat trim tab and heat exchanger of the present invention is also directed to provide sufficient cooling for the engine both when the boat is moving and while it rests.
- the present invention is directed to a combination boat trim tab and heat exchanger for an engine driven boat in which the trim tab body is adapted to be secured to a boat and has a hollow interior with an inlet and outlet connected to the hollow interior of the body and spaced from each other and adapted to be connected to the boat engine cooling system.
- Another feature of the present invention is the provision of elongate cooling fins secured to the bottom of the outside of the boat to provide an increased heat exchange area and which are axially aligned with the longitudinal axis of the boat so as not to decrease the operational performance of the trim tab and boat.
- Still another feature of the present invention is the provision of a hollow trim tab body having a cooling inlet and outlet wherein the body includes an internal serpentine passageway between the inlet and the outlet thereby increasing the heat exchange area between the cooling liquid and the body.
- a still further feature of the present invention is the provision of internal elongate cooling fins secured to the interior of the bottom of the body wherein the interior fins are preferably aligned with the majority of a serpentine passageway.
- FIG. 1 is a fragmentary elevational view of an engine driven boat provided with a pair of combination trim tabs and heat exchangers,
- FIG. 2 is an enlarged fragmentary elevational view of the improved trim tab of the present invention
- FIG. 3 is a cross-sectional view taken along the line 3-3 of FIG. 2, and
- FIG. 4 is an elevational view of the trim tab of the present invention.
- the boat of the present invention generally includes an engine 12 driving a propeller 14 as is conventional.
- trim tab 16 may be provided connected to the boat 10.
- the trim tab 16 may either be fixedly secured to the boat or as shown in FIG. 2 pivotally secured by one or more hinges l8 and movably positioned by a suitable means such as a hydraulic piston and cylinder assembly 20 connected at one end 22 to the boat and at a second end 24 to the trim tab 16.
- the trim tab 16 of the present invention includes a hollow interior 25, as best seen in FIGS. 3 and 4, and includes an inlet 26 and an outlet 28 in communication with the hollow interior 25.
- the inlet 26 and outlet 28 are spaced from each other and adjacent opposite sides of the trim tab 16 to insure that the cooling liquid flowing from the inlet 26 to the outlet 28 comes' in contact with a greater area of the body of the trim tab 16 for increased heat exchange.
- the inlets 26 and outlets 28 from the trim tabs 16 are suitably connected by lines 30 and 32, respectively, to the cooling system of the boat engine 12.
- the trim tab 16 is of a suitable material such as metal having a high rate of thermal conductivity for heat exchange between the engine cooling fluid flowing through the interior of the trim tabs 16 and the water contacting the outside of the trim tabs 16.
- the boat 10 While the boat 10 is at rest or idling, the boat 10 will sit lower in the water and both the bottom surface 34 and the top surface 36 of the trim tab 16 will be underwater. Since at idling or low speeds, the heat dissipation requirements of the engine cooling system are lower, the submersion of the trim tab 16 underwater, even though at rest, will provide a sufficient cooling area to satisfy the engine cooling requirements.
- a plurality of the elongate cooling fins 38 are provided secured to preferably the entire bottom 34 of the outside of the trim tab body.
- the elongate cooling fins 38 are aligned with the longitudinal axis of the boat 10 to provide a structure which will not interfere with the operational performance of the trim tab 16 nor the boat 10.
- partitions 40, 42 and 44 are provided in the hollow interior 25 of the trim tab 16 whereby the hollow interior 25 forms a serpentine passageway between the inlet 26 and 28 since the barriers 40, 42 and 44 alternately extend from opposite sides, but do not extend entirely across the hollow interior 25 of the trim tab 16. Therefore, the engine cooling fluid flowing from the inlet 26 to the outlet 28 will contact a greater surface area and thus increase the heat exchange cooling area between the cooling liquid and the body of the trim tab 16.
- Additional cooling may be provided if necessary by providing elongate cooling fins 50 secured to the interior of the bottom 34 of the trim tab 16.
- the interior cooling fins 50 are generally aligned with the major passageways of the serpentine path of flow of the cooling liquid from the inlet 26 to the outlet 28.
- the present invention is well adapted to carry out the objects and attain the ends and advantages mentioned as well as others inherent therein.
- a combination boat trim tab and heat exchanger for an engine driven boat comprising,
- trim tab body having means adapting said body to be secured to a boat and having a hollow interior
- a combination boat trim tab and heat exchanger for an engine driven boat comprising,
- trim tab body having means adapting said body to be secured to a boat
- said body being hollow and including an inlet and an outlet connected to the interior of the body and spaced from each other and adjacent opposite sides and adapted to be connected to the boat engine cooling system, said hollow interior of the body including a serpentine passageway between the inlet and outlet thereby increasing the heat exchange cooling area between the cooling liquid and the body, elongate fins secured to the bottom of the outside of the body and axially aligned with the longitudinal axis of the boat, and elongate cooling fins secured to the interior of the bottom of the body. 5.
- the interior cooling fins are generally aligned with the serpentine passageway.
Abstract
A combination boat trim tab and heat exchanger for an engine driven boat in which the trim tab body is hollow and has an inlet and outlet connected to the hollow interior and is adapted to be connected to the boat engine cooling system with elongate fins secured to the bottom of the outside of the body and axially aligned with the longitudinal axis of the boat. The hollow interior of the body including a serpentine passageway between the inlet and outlet thereby increasing the heat exchange area in contact with the engine cooling liquid. Elongate cooling fins secured to the interior of the bottom of the body for increasing the cooling surface.
Description
United States Patent Childress 51 Mar. 21, 1972 COMBINATION BOAT TRIM TAB AND HEAT EXCHANGER 3,240,179 3/1966 Van Ranst ..l65/44 X Primary Examiner-Frederick L. Matteson Assistant Examiner-W. C. Anderson AttarneyJames F. Weiler, Jefferson D. Giller, William A. Stout, Paul L. De Verter, ll, Dudley R. Dobie, Jr. and Henry W. Hope [57] ABSTRACT A combination boat trim tab and heat exchanger for an engine driven boat in which the trim tab body is hollow and has an inlet and outlet connected to the hollow interior and is adapted to be connected to the boat engine cooling system with elongate fins secured to the bottom of the outside of the body and axially aligned with the longitudinal axis of the boat. The hollow interior of the body' including a serpentine passageway between the inlet and outlet thereby increasing the heat exchange area in contact with the engine cooling [72] Inventor: Ezra E. Childress, Houston, Tex.
[73] Assignee: Stewart & Stevenson Services, Inc.,
Houston, Tex.
[22] Filed: July 16,1970
[21] Appl.No.: 55,427
[52] U.S.Cl ..l65/44,1l5/0.5,ll4/66.5P [5|] lnt.Cl. ..F28t7/00 [58] FieldoiSearch ..l65/41,44;ll5/0.5; 114/665? [56] References Cited UNITED STATES PATENTS 2,386,803 10/1945 3,200,782 8/1965 3,327,776 6/1967 2,976,834 3/1961 Waldronetal. ..ll5/0.5
5 Claims, 4 Drawing Figures COMBINATION BOAT TRIM TAB AND I-IEAT EXCHANGER BACKGROUND OF THE INVENTION It is often desirable to provide sufficient cooling or to increase the cooling capacity of an engine operating a boat. Since the water in which the boat is operated provides a tremendous reservoir of cooling liquid, it would be useful to use the water for cooling the boat engine. However, since the waters in which boats operate are frequently corrosive or damaging, for example, salt water, to the internal parts of the engine, it is not generally desirable to use the boating waters as a direct cooling source. But, of course, any indirect cooling structure should be efficient, and should not interfere with the operational performance of the boat.
Since boat trim tabs do not interfere with, but on the contrary assist, the operational performance of a boat, the present invention is directed to providing a combination boat trim tab and heat exchanger for an engine driven boat which will increase the cooling capacity of the engine without subjecting the internal working parts of the engine to the water in which the boat operates and yet will not interfere with the operational performance of the boat. The combination boat trim tab and heat exchanger of the present invention is also directed to provide sufficient cooling for the engine both when the boat is moving and while it rests.
SUMMARY The present invention is directed to a combination boat trim tab and heat exchanger for an engine driven boat in which the trim tab body is adapted to be secured to a boat and has a hollow interior with an inlet and outlet connected to the hollow interior of the body and spaced from each other and adapted to be connected to the boat engine cooling system.
Another feature of the present invention is the provision of elongate cooling fins secured to the bottom of the outside of the boat to provide an increased heat exchange area and which are axially aligned with the longitudinal axis of the boat so as not to decrease the operational performance of the trim tab and boat.
Still another feature of the present invention is the provision of a hollow trim tab body having a cooling inlet and outlet wherein the body includes an internal serpentine passageway between the inlet and the outlet thereby increasing the heat exchange area between the cooling liquid and the body.
A still further feature of the present invention is the provision of internal elongate cooling fins secured to the interior of the bottom of the body wherein the interior fins are preferably aligned with the majority of a serpentine passageway.
BRIEF DESCRIPTION OF THE DRAWING FIG. 1 is a fragmentary elevational view of an engine driven boat provided with a pair of combination trim tabs and heat exchangers,
FIG. 2 is an enlarged fragmentary elevational view of the improved trim tab of the present invention,
FIG. 3 is a cross-sectional view taken along the line 3-3 of FIG. 2, and
FIG. 4 is an elevational view of the trim tab of the present invention.
DESCRIPTION OF THE PREFERRED EMBODIMENT Referring now to the drawing, and particularly FIGS. 1 and 2, the boat of the present invention generally includes an engine 12 driving a propeller 14 as is conventional.
One or more trim tabs generally indicated by the reference numeral 16 may be provided connected to the boat 10. The trim tab 16 may either be fixedly secured to the boat or as shown in FIG. 2 pivotally secured by one or more hinges l8 and movably positioned by a suitable means such as a hydraulic piston and cylinder assembly 20 connected at one end 22 to the boat and at a second end 24 to the trim tab 16.
The trim tab 16 of the present invention includes a hollow interior 25, as best seen in FIGS. 3 and 4, and includes an inlet 26 and an outlet 28 in communication with the hollow interior 25. The inlet 26 and outlet 28 are spaced from each other and adjacent opposite sides of the trim tab 16 to insure that the cooling liquid flowing from the inlet 26 to the outlet 28 comes' in contact with a greater area of the body of the trim tab 16 for increased heat exchange. As best seen in FIG. 1, the inlets 26 and outlets 28 from the trim tabs 16 are suitably connected by lines 30 and 32, respectively, to the cooling system of the boat engine 12. The trim tab 16 is of a suitable material such as metal having a high rate of thermal conductivity for heat exchange between the engine cooling fluid flowing through the interior of the trim tabs 16 and the water contacting the outside of the trim tabs 16.
Of course, while the boat 10 is at rest or idling, the boat 10 will sit lower in the water and both the bottom surface 34 and the top surface 36 of the trim tab 16 will be underwater. Since at idling or low speeds, the heat dissipation requirements of the engine cooling system are lower, the submersion of the trim tab 16 underwater, even though at rest, will provide a sufficient cooling area to satisfy the engine cooling requirements.
However, as the boat 10 gets underway, the action of the trim tabs 16 will cause the boat 10 to rise up on top of the water and only the lower surface 34 of the trim tab 16 will be in contact with the water. Therefore, in order to increase the heat exchange capacity of the trim tab 16 relative to the water, a plurality of the elongate cooling fins 38 are provided secured to preferably the entire bottom 34 of the outside of the trim tab body. In addition, the elongate cooling fins 38 are aligned with the longitudinal axis of the boat 10 to provide a structure which will not interfere with the operational performance of the trim tab 16 nor the boat 10.
In order to further increase the cooling capacity of the trim tab 16, and as best seen in FIGS. 3 and 4, partitions 40, 42 and 44 are provided in the hollow interior 25 of the trim tab 16 whereby the hollow interior 25 forms a serpentine passageway between the inlet 26 and 28 since the barriers 40, 42 and 44 alternately extend from opposite sides, but do not extend entirely across the hollow interior 25 of the trim tab 16. Therefore, the engine cooling fluid flowing from the inlet 26 to the outlet 28 will contact a greater surface area and thus increase the heat exchange cooling area between the cooling liquid and the body of the trim tab 16.
Additional cooling may be provided if necessary by providing elongate cooling fins 50 secured to the interior of the bottom 34 of the trim tab 16. Preferably, the interior cooling fins 50 are generally aligned with the major passageways of the serpentine path of flow of the cooling liquid from the inlet 26 to the outlet 28.
In use, and as previously indicated, with the boat 10 at rest and idling the entire trim tab 16 will be submerged in the water and even though not in moving contact with the water will provide sufficient cooling to cool the engine under light loads. And when the boat 10 is underway and the engine is under a heavier load, while only the bottom 34 of the trim tab 16 will be in contact with the water, sufficient heat exchange will be provided by the water in which the boat travels moving across the exterior cooling fins 30 while the engine cooling fluid flows through the interior 25 of the trim tab 16. In addition the serpentine path of flow and the interior cooling fins 50 increase the heat exchange.
The present invention, therefore, is well adapted to carry out the objects and attain the ends and advantages mentioned as well as others inherent therein.
What is claimed is:
l. A combination boat trim tab and heat exchanger for an engine driven boat comprising,
a generally horizontally positioned trim tab body having means adapting said body to be secured to a boat and having a hollow interior,
an inlet and an outlet connected to the interior of the body and spaced from each other and adjacent opposite sides elongate cooling fins secured to the interior of the bottom of I the body.
4. A combination boat trim tab and heat exchanger for an engine driven boat comprising,
a flat bottom generally horizontally positioned trim tab body having means adapting said body to be secured to a boat,
said body being hollow and including an inlet and an outlet connected to the interior of the body and spaced from each other and adjacent opposite sides and adapted to be connected to the boat engine cooling system, said hollow interior of the body including a serpentine passageway between the inlet and outlet thereby increasing the heat exchange cooling area between the cooling liquid and the body, elongate fins secured to the bottom of the outside of the body and axially aligned with the longitudinal axis of the boat, and elongate cooling fins secured to the interior of the bottom of the body. 5. The apparatus of claim 4 wherein the interior cooling fins are generally aligned with the serpentine passageway.
Claims (5)
1. A combination boat trim tab and heat exchanger for an engine driven boat comprising, a generally horizontally positioned trim tab body having means adapting said body to be secured to a boat and having a hollow interior, an inlet and an outlet connected to the interior of the body and spaced from each other and adjacent opposite sides and adapted to be connected to the boat engine cooling system, and elongate cooling fins secured to the bottom of the outside of the body and axially aligned with the longitudinal axis of the boat.
2. The apparatus of claim 1 including, said hollow interior of the body having a serpentine passageway between the inlet and outlet thereby increasing the heat exchange area of the cooling liquid flowing therein.
3. The apparatus of claim 1 including, elongate cooling fins secured to the interior of the bottom of the body.
4. A combination boat trim tab and heat exchanger for an engine driven boat comprising, a flat bottom generally horizontally positioned trim tab body having means adapting said body to be secured to a boat, said body being hollow and including an inlet and an outlet connected to the interior of the body and spaced from each other and adjacent opposite sides and adapted to be connected to the boat engine cooling system, said hollow interior of the body including a serpentine passageway between the inlet and outlet thereby increasing the heat exchange cooling area between the cooling liquid and the body, elongate fins secured to the bottom of the outside of the body and axially aligned with the longitudinal axis of the boat, and elongate cooling fins secured to the interior of the bottom of the body.
5. The apparatus of claim 4 wherein the interior cooling fins are generally aligned with the serpentine passageway.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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US5542770A | 1970-07-16 | 1970-07-16 |
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US3650310A true US3650310A (en) | 1972-03-21 |
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US55427A Expired - Lifetime US3650310A (en) | 1970-07-16 | 1970-07-16 | Combination boat trim tab and heat exchanger |
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Cited By (46)
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US3841396A (en) * | 1973-06-12 | 1974-10-15 | T Knaebel | Finned heat exchanger and system |
US3888412A (en) * | 1973-04-17 | 1975-06-10 | Kenilworth Research & Dev Corp | Apparatus for heating the fluid in a windshield washer system |
US4519336A (en) * | 1983-06-14 | 1985-05-28 | Mason David A | Rear extension for boat hull |
US4674984A (en) * | 1985-01-09 | 1987-06-23 | Caddick Mary J | Water craft and method for removing weeds and pollutants from navigable waters |
GB2201645A (en) * | 1985-01-09 | 1988-09-07 | Mary Josephine Caddick | Water craft for removing weeds and pollutants from navigable waters |
US5327848A (en) * | 1991-03-25 | 1994-07-12 | Hannon Jr John L | Method and apparatus for keeping surfaces organism free |
US5340345A (en) * | 1993-07-26 | 1994-08-23 | K & B Mfg, Inc. | Water pickup and cooling apparatus for boat drive systems |
US5474013A (en) * | 1993-03-05 | 1995-12-12 | Trim Master Marine, Inc. | Trim tab auto-retract and multiple switching device |
US5832863A (en) * | 1997-06-03 | 1998-11-10 | Sherlock; John | True track trim blades |
US5863230A (en) * | 1996-09-26 | 1999-01-26 | Morrison; Douglas M. | Universal marine drive apparatus and uses thereof |
US5931217A (en) * | 1998-05-20 | 1999-08-03 | R.W. Fernstrum & Company | Marine heat exchanger |
FR2778973A1 (en) * | 1998-05-19 | 1999-11-26 | Paul Boudier | Fluid circulation heat exchanger for refrigeration systems. |
US6089177A (en) * | 1997-12-05 | 2000-07-18 | Mueller; Peter | Trim tab and variable-exhaust system especially for motor boats and motor yachts |
US6167830B1 (en) | 1999-12-06 | 2001-01-02 | Don T. Pilger | Boat trim tabs |
US6485339B1 (en) * | 1997-07-21 | 2002-11-26 | Siemens Aktiengesellschaft | Electric motor pod drive system for a vessel with a cooling device |
US6544085B1 (en) * | 1999-10-21 | 2003-04-08 | Bombardier Inc. | Watercraft having a closed coolant circulating system with a heat exchanger that constitutes an exterior surface of the hull |
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US20030164233A1 (en) * | 2002-02-19 | 2003-09-04 | Wu Alan K. | Low profile finned heat exchanger |
US20030173068A1 (en) * | 2000-12-21 | 2003-09-18 | Davies Michael E. | Finned plate heat exchanger |
WO2004005825A1 (en) | 2002-07-05 | 2004-01-15 | Dana Canada Corporation | Baffled surface cooled heat exchanger |
US20040238162A1 (en) * | 2003-04-11 | 2004-12-02 | Seiler Thomas F. | Heat exchanger with flow circuiting end caps |
US20050115701A1 (en) * | 2003-11-28 | 2005-06-02 | Michael Martin | Low profile heat exchanger with notched turbulizer |
US7094118B1 (en) | 2005-03-23 | 2006-08-22 | Brunswick Corporation | Heat exchanger for a marine propulsion system |
US7128025B1 (en) | 2003-10-24 | 2006-10-31 | Brp Us Inc. | Dual temperature closed loop cooling system |
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US9957030B2 (en) | 2013-03-14 | 2018-05-01 | Duramax Marine, Llc | Turbulence enhancer for keel cooler |
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US20190261782A1 (en) * | 2016-02-15 | 2019-08-29 | Southern Towing Company, LLC | Forced flow fluid circulation cooling for barges |
US20190271508A1 (en) * | 2018-03-05 | 2019-09-05 | Global Packaging Systems, LLC | Outboard Marine Propulsion System With Closed Loop Lower Unit Heat Exchanger |
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US11155322B2 (en) | 2018-10-01 | 2021-10-26 | Marine Canada Acquisition Inc. | Watertight electric actuator for trim tab assembly or wake gate assembly |
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US2386803A (en) * | 1943-11-26 | 1945-10-16 | William B Jutte | Means for cooling fluids on boats and the like |
US2976834A (en) * | 1958-12-04 | 1961-03-28 | Paul H R Waldron | Marine heat exchanger |
US3240179A (en) * | 1964-02-12 | 1966-03-15 | Cornelius W Van Ranst | Cooler |
US3200782A (en) * | 1964-11-06 | 1965-08-17 | Samuel L Walden | Power boat attachment |
US3327776A (en) * | 1965-10-24 | 1967-06-27 | Trane Co | Heat exchanger |
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US4519336A (en) * | 1983-06-14 | 1985-05-28 | Mason David A | Rear extension for boat hull |
US4674984A (en) * | 1985-01-09 | 1987-06-23 | Caddick Mary J | Water craft and method for removing weeds and pollutants from navigable waters |
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US5863230A (en) * | 1996-09-26 | 1999-01-26 | Morrison; Douglas M. | Universal marine drive apparatus and uses thereof |
US5832863A (en) * | 1997-06-03 | 1998-11-10 | Sherlock; John | True track trim blades |
US6485339B1 (en) * | 1997-07-21 | 2002-11-26 | Siemens Aktiengesellschaft | Electric motor pod drive system for a vessel with a cooling device |
US6089177A (en) * | 1997-12-05 | 2000-07-18 | Mueller; Peter | Trim tab and variable-exhaust system especially for motor boats and motor yachts |
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US6167830B1 (en) | 1999-12-06 | 2001-01-02 | Don T. Pilger | Boat trim tabs |
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US7011142B2 (en) | 2000-12-21 | 2006-03-14 | Dana Canada Corporation | Finned plate heat exchanger |
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US20060243431A1 (en) * | 2002-02-19 | 2006-11-02 | Martin Michael A | Low profile finned heat exchanger |
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US7025127B2 (en) | 2002-07-05 | 2006-04-11 | Dana Canada Corporation | Baffled surface cooled heat exchanger |
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US7128025B1 (en) | 2003-10-24 | 2006-10-31 | Brp Us Inc. | Dual temperature closed loop cooling system |
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US7182125B2 (en) | 2003-11-28 | 2007-02-27 | Dana Canada Corporation | Low profile heat exchanger with notched turbulizer |
US7094118B1 (en) | 2005-03-23 | 2006-08-22 | Brunswick Corporation | Heat exchanger for a marine propulsion system |
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