Class 440/88P - Pump

Subclass of Class 440 - Marine propulsion
No. of patents: 24
Last issue date: 02/22/2011

Number	Title	Issue Date
7892054	Outboard motor An outboard motor includes a water pump arranged to draw in cooling water, a pump drive mechanism that decelerates rotation of a drive shaft and transmits the rotation to the water pump, and an oil supply device (a main oil passage, oil ejection passages, a hollow p...	02/22/2011
7497751	Alternative cooling path system for a marine propulsion device A cooling system of a marine propulsion device is provided with a valve that directs alternative flows of cooling water to portions of the marine propulsion system and apportions the cooling water flows in response to the speed of the water pump used to draw water f...	03/03/2009
7162985	Two-cylinder V-type OHV engine for outboard motors A two-cylinder V-type OHV engine for outboard motors, which allows space saving in the direction of the width of the engine. A starboard side cylinder bank (RB) has a cylinder (34R) and a port side cylinder bank (LB) has a cylinder (34L). The first cyl...	01/16/2007
6984158	Cooling water pump device for outboard motor A cooling water pump device for drawing cooling water from bottom of a pump case and pumping it toward an engine located above includes: a multiple number of annular seal elements surrounding the driveshaft for keeping the interface between the inner peripheral surf...	01/10/2006
6814635	Vertically extendable arrangement for marine propulsion device An outboard motor has a driveshaft housing and a lower unit coupled with each other. A driveshaft, which extends through the driveshaft housing and the lower unit, is divided into upper and lower section. The upper driveshaft section defines splines on a bottom oute...	11/09/2004
6506085	Pump and drain apparatus for a marine propulsion system An integral pump and drain apparatus is contained in a common housing structure to reduce the required space needed for these components in the vicinity proximate the engine of a marine propulsion system. The valve of the drain is remotely actuated by air...	01/14/2003
6068529	Marine propulsion unit with dual water inlet structure An improved twin propeller marine propulsion unit. A vertical drive shaft is journaled in the lower gearcase and drives a pair of bevel gears. A pair of concentric propeller shafts are mounted in the lower torpedo section of the gearcase and each shaft ca...	05/30/2000
6022251	Water inlet for marine drive An outboard drive is equipped with a water inlet located on a lower casing of the outboard drive. The lower casing includes a nacelle that houses a transmission and a propulsion shaft that are coupled to an engine through a drive train. The propulsion sha...	02/08/2000
5902160	Twin propeller marine propulsion unit An improved twin propeller marine propulsion unit. A vertical drive shaft is journaled in the lower gearcase and drives a pair of bevel gears. A pair of concentric propeller shafts are mounted in the lower torpedo section of the gearcase and each shaft ca...	05/11/1999
5704819	Oil pan arrangement for four-cycle outboard motor An outboard motor having a high-performance V-type twin overhead cam four-cycle internal combustion engine. The oil reservoir for the engine is disposed in a driveshaft housing below the engine and an oil pump is driven off the lower end of the engine cra...	01/06/1998
5078630	Engine cooling system induction arrangement for marine inboard-outboard and outboard engines A marine outboard engine has a section of its cooling water suction passage defined by an annular groove formed in the periphery of a bearing housing which accommodates the bearing of the propeller shaft. This allows the suction passage to be connencted t...	01/07/1992
5035664	Marine propulsion device gear arrangement A marine propulsion device comprising a housing adapted to be mounted on the transom of a boat, a first gear rotatably supported by the housing and adapted to be drivingly connected to a propeller, a pump, and a second gear which is driven by the first ge...	07/30/1991
5006085	Marine propulsion device with removable clutch assembly A marine propulsion device comprising a gear housing adapted to be mounted on the transom of a boat, a clutch assembly including a clutch housing, a shaft rotatably supported within the clutch housing and adapted to be drivingly connected to a propeller, ...	04/09/1991
4993979	Marine propulsion device A marine propulsion device comprising a gear housing adapted to be mounted on a transom of a boat, a first gear rotatably supported by the gear housing and adapted to be driven by an engine, a second gear which is rotatably supported by the gear housing, ...	02/19/1991
4955837	Cooling water feed structure for inboard/outboard engine A number of embodiments of cooling water feed structures for inboard/outboard engines wherein the outboard drive includes a first conduit that extends through the outboard drive and communicates with an adjustably mounted second conduit. The adjustable mo...	09/11/1990
4950190	Marine stern drive unit with improved water handling A marine stern drive unit (1) includes a fluid passage disposed within a drive shaft housing (11) of cast construction. The fluid passage has a discharge outlet (23) which is connected to the lower inlet end (41) of a generally centrally disposed vertical...	08/21/1990
4832639	Marine drive with air trap in auxiliary water inlet A marine propulsion unit (10) has a depending gearcase (12) with one or more water inlet openings (22) in the sides of the gearcase for supplying water to a water pump (20), and an auxiliary water inlet opening (32) at an anti-ventilation plate (30) above...	05/23/1989
4832640	Marine gearcase water inlet divider In a marine propulsion unit (10) having a depending gearcase (20) having right and left sets of water inlet openings (32, 34) supplying cooling sea water to an upwardly extending water passage (30), a dividing wall (60) is provided in the water passage an...	05/23/1989
4820214	Marine propulsion unit with seal between water tube and adapter plate In an outboard marine propulsion unit (10) having a lower gearcase (18) with a water tube (28) supplying cooling sea water to a powerhead thereabove supported on an adapter plate (16) having a water passage (34) vertically non-aligned with the water tube,...	04/11/1989
4728306	Marine propulsion auxiliary cooling system A marine propulsion auxiliary cooling system is provided by an electric auxiliary water pump (36) pumping sea water to cool the engine (4) and/or fuel line (14) after turn off of the engine to prevent vaporization of the fuel, or in response to another gi...	03/01/1988
4583953	Outboard motor Several embodiments of vibration damping devices for preventing the transmission of vibrations from the power head of an outboard motor to the transom of the boat to which it is attached. In each embodiment, a vibration damping pad is interposed between t...	04/22/1986
4498875	Outboard motor Two embodiments of water-cooled, four-cycle internal combustion engines used for outboard motors. In each embodiment, an arrangement is provided that offers a compact nature and which uses the coolant delivered to the engine for cooling the oil in the oil...	02/12/1985
4033282	Housing for outboard motors A drive shaft housing for an outboard power leg adapted for attachment to a boat. Inside the housing there are cavities for a cooling water pump and its drive shaft as well as a cavity for a gear with a drive shaft between the gear and the propeller shaft...	07/05/1977
3931828	Flushing accessory for outboard motors A self-gripping flushing accessory quickly attachable over the water inlet of an outboard motor without need for fasteners while flushing the engine cooling passages from a garden hose or the like source of water. The accessory straddles and resiliently g...	01/13/1976

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Class 440/88P - Pump