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| Number | Title | Issue Date |
| 5462463 | Marine dual propeller lower bore drive assembly A marine drive (10, 310) has two counter-rotating propellers (12 and 14, 312 and 314). Inner and outer concentric counter-rotating propeller shafts (40 and 42, 340 and 338) are supported by a spool (38, 336) in the lower horizontal bore (28, 328). Passage... | 10/31/1995 |
| 5392690 | Marine power steering system A marine hydraulic system for operation of a power steering assembly includes a pressure accumulator to provide pressurized hydraulic fluid and valving that permits the transfer of hydraulic fluid within the cylinder to provide efficient use of hydraulic ... | 02/28/1995 |
| 5376029 | Control valve A control valve for a pressurized fluid-operated system, such as a marine power steering system, includes a housing having an inlet and at least one outlet, with one or more work ports located therebetween. Pressurized fluid is supplied to the inlet, and ... | 12/27/1994 |
| 5355930 | Method of expendable pattern casting of hypereutectic aluminum-silicon alloys using sand with specific thermal properties A method of producing a casting utilizing an expendable polymeric foam pattern along with unbonded sand having specific thermal properties. The pattern, formed of a material such as polystyrene, has a configuration corresponding to that of the article to ... | 10/18/1994 |
| 5355931 | Method of expendable pattern casting using sand with specific thermal properties A method of producing dimensionally predictable metal castings utilizing an expendable polymeric foam pattern along with unbonded sand having specific thermal properties. The pattern, formed of a material such as polystyrene, has a configuration correspon... | 10/18/1994 |
| 5344350 | Compact outboard marine drive An outboard marine drive (10) has a powerhead (20) including an internal combustion engine (22), an adaptor plate (24) mounted to the engine, and a lower gearcase (26) including a torpedo housing (28) rotatably mounting a propeller (30), wherein the lower... | 09/06/1994 |
| 5322416 | Torsionally twisting propeller drive sleeve In a marine drive (10), a drive sleeve (50) between the propeller shaft (22) and the propeller hub (34) absorbs shock after the propeller (12) strikes an object by torsionally twisting between a forward end keyed to the propeller hub and a rearward end ke... | 06/21/1994 |
| 5303682 | Cylinder bore liner and method of making the same A hypereutectic aluminum-silicon alloy cylinder bore liner is produced by feeding the molten alloy into a metal mold having an inner shell sand cup, while rotating the mold at a speed in excess of 1,000 rpm, to cause the molten alloy to be thrown outwardl... | 04/19/1994 |
| 5304079 | Supplemental remote mounted marine engine cooling system A supplemental remote mounted marine engine cooling system (20) includes a supplemental water pickup (36) mounted to the boat (18), and a flow control valve (38) supplying supplemental cooling water therethrough from the water pickup (36) to the main cool... | 04/19/1994 |
| 5290373 | Evaporable foam casting system utilizing an aluminum-silicon alloy containing a high magnesium content A method of evaporable foam casting of metal articles, such as engine blocks for internal combustion engines. An evaporable foam pattern having a configuration proportionally identical to the article to be cast is positioned in a mold and a finely divided... | 03/01/1994 |
| 5290147 | Variable pitch marine propeller with shift biasing and synchronizing mechanism A marine propeller includes a hub rotatable about a longitudinal axis and having a plurality of blades extending radially outwardly therefrom and pivotable about respective radial pivot axes between a low pitch position and a high pitch position. A disc h... | 03/01/1994 |
| 5253625 | Internal combustion engine having a hypereutectic aluminum-silicon block and aluminum-copper pistons An internal combustion engine having an engine block containing a plurality of cylinder bores and a piston slidably mounted in each bore. The block is composed of a hypereutectic aluminum-silicon alloy containing from 16% to 30% silicon and having precipi... | 10/19/1993 |
| 5249995 | Marine drive having two counter-rotating surfacing propellers and dual propeller shaft assembly A marine drive (10) has two counter-rotating surface operating propellers (12, 14). Inner and outer concentric counter-rotating propeller shafts (40, 42) are supported by a spool assembly (38) locked and retained against rotation and against axial movemen... | 10/05/1993 |
| 5244348 | Propeller drive sleeve A shock absorbing drive sleeve (50) is provided by a molded plastic member directly mounting the propeller hub (14) to the propeller shaft (22). The sleeve has a rearward inner diameter portion (52) engaging the propeller shaft in splined relation, and a ... | 09/14/1993 |
| 5241894 | Marine power steering system A marine hydraulic system for operation of a power steering assembly includes a pressure accumulator to provide pressurized hydraulic fluid and valving that permits the transfer of hydraulic fluid within the cylinder to provide efficient use of hydraulic ... | 09/07/1993 |
| 5236310 | Marine propeller with performance pitch, including five blade version A marine propeller (100) combines progressive pitch with both increasing pitch and increasing progressiveness of pitch along at least a portion of increasing radii from the axis of rotation to the outer blade tip. A five blade propeller is provided which ... | 08/17/1993 |
| 5234514 | Hypereutectic aluminum-silicon alloy having refined primary silicon and a modified eutectic A hypereutectic aluminum-silicon casting alloy having a refined primary silicon particle size and a modified silicon phase in the eutectic. The aluminum base alloy includes from 19% to 30% by weight of silicon and also contains 0.005% to 0.06% by weight o... | 08/10/1993 |
| 5230644 | Counter-rotating surfacing marine drive A marine drive (10) has two counter-rotating surface operating propellers (12 and 14). An upper adaptor spool (48) has a lower threaded outer portion (50) mating with a threaded portion (46) of the vertical bore (26) of the drive housing (20) and supporti... | 07/27/1993 |
| 5219272 | Variable pitch marine propeller with hydrodynamic shifting A marine propeller includes a hub rotatable about a longitudinal axis and having a plurality of blades extending radially outwardly therefrom and pivotable about respective radial pivot axes between a low pitch position and a high pitch position. Each bla... | 06/15/1993 |
| 5205427 | Modular fuel tank system A modular fuel tank system for use on aircraft and the like including a plurality of nestable shell sections which, when assembled in proper edgewise orientation, form a shell for the fuel tank. A joint assembly secures the shell sections in assembled con... | 04/27/1993 |
| 5204033 | Method of fabricating a preform in a resin transfer molding process A method of fabricating a preform for use in a resin transfer molding process. The method includes the steps of locating a transport member on a mandrel. A dry fiber layer is filament wound about the mandrel over the transport member. A tackifier is appli... | 04/20/1993 |
| 5174262 | Control valve for fuel injection A fuel control solenoid valve for metering fuel flow through a low pressure fuel injection system of an internal combustion system is provided. The low pressure fuel injection system including the fuel flow solenoid valve is especially suitable for use in... | 12/29/1992 |
| 5171177 | Integrally formed driveshaft housing structure for interposition between the powerhead and lower unit of a marine propulsion system A driveshaft housing structure adapted for interposition between the powerhead and the gearcase of an outboard marine propulsion system. The driveshaft housing structure is integrally formed, and provides a driveshaft passage, a cooling water intake condu... | 12/15/1992 |
| 5171931 | Pressure relief means for jet-propelled missiles A system is disclosed for relieving excessive pressure within a combustion chamber of a spin-stabilized, jet-propelled missile launching system. An annular passage surrounds an exhaust nozzle, the passage being in communication with the chamber. A unitary... | 12/15/1992 |
| 5168010 | Reversible oxidizer/agent and fuel resistant glove Articles of protective wear are normally designed to protect a wearer against one or one group of hazardous materials such as chemical warfare agents. Such chemical warfare protective wear is normally made out of a butyl rubber as butyl rubber provides fa... | 12/01/1992 |
| 5165483 | Direct contact vapor generator fire suppression apparatus An improved method and apparatus for controlling large hydrocarbon-fueled fires contemplates the use of vapors produced by direct contact vapor generators to simultaneously cool the flames and deprive the fire of oxygen. A direct contact vapor generator a... | 11/24/1992 |
| 5166319 | Interfacial condensation of bioactive compounds and the site-specific compounds and conjugates thereof This invention provides a method of preparing conjugates of bioactive compounds and site-specific compounds in which covalent bonding between the compounds is effected by interfacial condensation while protecting the active binding sites from the condensa... | 11/24/1992 |
| 5165464 | Method of casting hypereutectic aluminum-silicon alloys using a salt core A method of high pressure casting of hypereutectic aluminum-silicon alloys using a salt core to form wear resistant articles, such as engine blocks. To produce an engine block, one or more solid salt cores are positioned within a metal mold with the space... | 11/24/1992 |
| 5158433 | Marine propeller having an outwardly flared hub A marine propeller including an inner hub to receive a driving connection to the engine and an outer hub is spaced outwardly from the inner hub to provide a passage therebetween for the discharge of exhaust gas from the engine. A plurality of blades exten... | 10/27/1992 |
| 5155210 | Methods of conjugating actinomycin D The invention provides for antinomycin D derivatives and methods of producing antinomycin D derivatives. Such derivatives include isocyanate, thioisocyanate, carboxylic acid, bromide, aldehyde and sulfonic acid derivatives. The invention also provides for... | 10/13/1992 |
| 5146905 | Capacitor discharge ignition system with double output coil A capacitor discharge ignition system (10) for an internal combustion engine has an ignition coil (22) with a magnetically permeable core (24) having an axially extending core bar (26), a primary winding (30) wound around the core bar, and a pair of secon... | 09/15/1992 |
| 5138588 | Underwater sound attenuator An apparatus for preventing the transmission of sound in an underwater medium. A resilient housing encloses at least two voids. A first void contains a compliant tube consisting of two T-shaped support structures, each T-shaped support structure supportin... | 08/11/1992 |
| 5134851 | Five cylinder outboard motor A five cylinder two cycle outboard motor includes exhaust tuning of the five in-line cylinders. Exhaust tuning of five in-line cylinders provides increased horsepower for the five cylinder two cycle outboard motor. The five cylinder outboard motor which p... | 08/04/1992 |
| 5129378 | Two-cycle marine engine having aluminum-silicon alloy block and iron plated pistons A two-cycle, water-cooled marine engine having an engine block composed of a hypereutectic aluminum-silicon alloy. The silicon is distributed as discrete particles throughout the block, including the area bordering the walls of the cylinder bores. An alum... | 07/14/1992 |
| 5121787 | Evaporable foam pattern for casting a thermostat housing for a V-type marine engine The pattern, composed of a polymeric material, is formed of three sections joined together by an adhesive along a pair of parallel parting lines. One parting line lies in a plane extending through the axis of an outlet to the engine block and through the ... | 06/16/1992 |
| 5119769 | Vertical three cylinder two cycle engine with single carburetor In a two cycle internal combustion engine (80) comprising three cylinders (22, 24, 26) vertically in-line, a single intake manifold (82) services all three of the cylinders, and a single fuel delivery device (84), such as a carburetor, on the manifold del... | 06/09/1992 |
| 5119771 | Vertical three cylinder two cycle engine with single carburetor and manifold combination In a two cycle internal combustion engine having three cylinders vertically in-line, a single intake manifold (210) services all three of the cylinders, and a single fuel delivery device on the manifold has a throttle bore (128a) at the uppermost reed blo... | 06/09/1992 |
| 5119778 | Tuned intake air system for a rotary engine A tuned combustion air intake system for a rotary engine used in an outboard motor includes a plenum chamber mounted on the rear of the engine directly against the exhaust manifold, which plenum receives cooling air discharged from the engine. Air from th... | 06/09/1992 |
| 5120248 | Cam-type latching mechanism for securing cowl sections together A latch system for securing upper and lower cowl sections of an outboard motor. The latch system comprises a catch assembly located at one end of the cowl assembly, and a latch mechanism located at the other end of the assembly. The catch assembly include... | 06/09/1992 |
| 5119882 | Evaporable foam pattern for casting an engine block for a two-cycle engine having a direct charge system An evaporable foam pattern for casting a metal engine block for a two-cycle engine having a direct charge system. The pattern includes a block pattern section having a head end and a crankcase end and a plurality of cylinders extend between the ends. A tr... | 06/09/1992 |
