Celebrity Inventors
Glam girl Heddy Lamar may have used her good looks to good effect on the silver screen, but she put her smarts to better use as an inventor. During World War II, she co-patented a frequency-switching system for torpedo guidance that was considered years ahead of its time.
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| Number | Title | Issue Date |
| 7328692 | Intake device for internal combustion engine According to one aspect of the invention, there is provided an intake device for an internal combustion engine, including a gas passage unit defining therein a secondary gas supply passage for supplying a secondary gas to an intake of the engine, and a thermal insul... | 02/12/2008 |
| 7325530 | Engine intake manifold and airflow control valve assembly An engine intake manifold includes a casing having a plurality of air intake passages, and a plurality of valve plates, wherein each valve plate is disposed in one of the air intake passages to control airflow through the air intake passage. The valve plates are con... | 02/05/2008 |
| 7082764 | Burnt gas-scavenging indirect-injection internal-combustion supercharged engine and supercharged air supply method for such an engine The present invention relates to a supercharged internal-combustion, notably indirect-injection engine comprising at least one cylinder (10) with two types of supercharged air intake means (12, 14), one type for non-carbureted supercharged air intake (... | 08/01/2006 |
| 7044117 | Positive crankcase ventilation system Blow-by gas supplied from a cylinder head cover is re-supplied to an engine through runners of an intake manifold via a channel portion in communication with a plenum of an intake system. ... | 05/16/2006 |
| 7040272 | Multiple electronic control throttle body for outboard motor A plurality of intake passages (2) provided in a horizontal direction in an electronically controlled throttle body (1) are arranged in a vertical direction. A throttle valve shaft (3) constituted by one shaft penetrates the intake passages (... | 05/09/2006 |
| 6880526 | Intake system for internal combustion engine An intake system for an internal combustion engine in which the inflow characteristic of a mixture of gas is varied by a partition wall provided replaceably in an intake port opening, whereby the output characteristic of the internal combustion engine is regulated t... | 04/19/2005 |
| 6520146 | Four-stroke internal combustion engine with at least two inlet valves A four-stroke internal combustion engine with at least two inlet valves and an inlet flow path with at least two inlet ports per cylinder which branch off from a common inlet pipe and are guided separately up to the inlet valves and of which at least one ... | 02/18/2003 |
| 6085712 | Stratified charge engine An internal combustion engine is described comprising a cylinder having an intake port [14], and two manifolds [24, 34] having branches [22, 32] that are configured to supply two gas streams to the intake port [14] of each cylinder. The two streams enter ... | 07/11/2000 |
| 5632244 | Spark-ignition piston engine with facilities for changing the inlet direction of the fuel-air mixture A spark-ignition reciprocating piston engine has at least one piston cylinder, at least one inlet port arranged at an end of the cylinder, an inlet valve located at the inlet port and that is movable to open and close the inlet port, and an inlet conduit ... | 05/27/1997 |
| 5388554 | Intake means for a reciprocating internal combustion engine This invention relates to an intake means for a reciprocating internal combustion having a plurality of cylinders having cylinder heads in each of which there are provided at least two charging ducts (14, 15), provided with inlet valves, for intake air fo... | 02/14/1995 |
| 5209191 | Air intake manifold for an internal combustion engine An air intake manifold for an internal combustion engine including a mounting flange through which a plurality of intake ducts open. Blow-by gases from the crankcase of the engine are introduced into the intake ducts through channels or passageways commun... | 05/11/1993 |
| 5179917 | Intake air control device for an internal combustion engine An intake air control device including an intake passage provided with reed valves to prevent a back flow of intake air and exhaust gas. The intake passage has a predetermined length and a substantially uniform section, except for an enlarged portion clos... | 01/19/1993 |
| 5159903 | Air intake system for two cycle multi cylinder engine Two embodiments of multiple cylinder two cycle internal combustion engines embodying scavenge manifolds that extend around the cylinder bores and which communicate with the cylinder bores through a plurality of circumferentially spaced scavenge ports. The... | 11/03/1992 |
| 5094210 | Intake and fuel/air mixing system for multi-cylinder, externally ignited internal combustion engines An intake and fuel/air mixing system for multi-cylinder externally ignited internal combustion engines with at least two inlet valves per cylinder, at least two separate intake pipe arms per cylinder assigned to the inlet valves, and fuel injection. The f... | 03/10/1992 |
| 5063899 | Intake system for multi-cylinder internal combustion engine An intake system for a multi-cylinder internal combustion engine having an intake manifold that is made up of a common intake passage and separate intake passages that branch off from the common intake passage and connect to intake ports of the engine cyl... | 11/12/1991 |
| 5054439 | Intake system for automotive engine An intake system is incorporated in a multi-cylinder internal combustion engine having a plurality of cylinders each being provided with at least three intake ports, at least one of the three intake port being timed to close after the remaining intake por... | 10/08/1991 |
| 5022371 | Molded plastic fuel rail for an internal combustion engine A molded fuel rail block for a multiple cylinder engine having a plurality of air conduits connecting the engine's air intake manifold to the individual air intake passageways provided in the cylinder head of the engine. The fuel rail block further has an... | 06/11/1991 |
| 4945865 | Engine induction system An engine induction system for providing air to the cylinders of an engine. The induction system includes a primary plenum and a primary runner leading therefrom to each cylinder. A primary inlet valve is generally adjacent the inlet to the primary plenum... | 08/07/1990 |
| 4924834 | Integral device for forming and metering a mixture of air and fuel in an internal combustion engine fed by a multipoint injection system The device comprises substantially an integral connection block for connection to an air manifold and to an engine wall; in said block there is provided a plurality of pairs of main air feed holes, one hole of each pair being controlled by a throttle valv... | 05/15/1990 |
| 4905646 | Two-stroke internal combustion engine with cylinder head valves A two-stroke internal combustion engine comprising a cylinder head 14 having intake valves 20 and exhaust valves 22 arranged therein. A supercharger 42 is arranged in an intake pipe 44 and a tank 46 is mounted downstream of the supercharger 42. A valve 48... | 03/06/1990 |
| 4879975 | Alcohol fuel operation conversion means for internal combustion engines A modified carburetion and manifold arrangement to enable internal combustion engines to efficiently use fuels such as alcohols having high latent heat of vaporization. A variable venturi carburetion means (30) is combined with two manifolds-one (20) bein... | 11/14/1989 |
| 4856473 | Internal combustion engine with multiple intake valves and EGR arrangement An internal combustion engine having two intake valves arranged in respective intake passages for each cylinder, wherein, a first intake passage is arranged to cause a swirl of intake air in the combustion chamber and a fuel injector is arranged in this i... | 08/15/1989 |
| 4789004 | Apparatus and method for increasing fluid flow rate in a flow path including a curved flow path section An internal combustion engine in which a minor portion of the air-fuel mixture being flowed to the combustion engine chamber is withdrawn through a fluid withdrawal passage. The fluid withdrawal passage enters the curved outlet section of the intake passa... | 12/06/1988 |
| 4779594 | Intake system for an internal combustion engine An engine intake system including a main intake passage leading through an intake port to a combustion chamber, an auxiliary intake passage branched from the main intake passage and opened to the intake passage, and a control valve provided in the main in... | 10/25/1988 |
| 4762102 | Intake device of an internal combustion engine An intake device of an engine comprising an intake passage which is common to a first intake valve and a second intake valve. The intake passage is divided into a first straight passage and a second straight passage by a dividing wall which extends toward... | 08/09/1988 |
| 4727829 | Intake system for internal combustion engine Several embodiments of induction systems for an internal combustion engine wherein each cylinder is served by a pair of intake passages having significantly different lengths for tuning them for different engine running requirements. A throttle valve arra... | 03/01/1988 |
| 4726340 | Intake system for multi-cylinder engine Several embodiments of induction systems for internal combustion engines wherein each chamber of the engine is served by a relatively long low speed induction passage and a relatively short high speed induction passage. The arrangements of the passages is... | 02/23/1988 |
| 4726343 | Suction pipe arrangement for multi-cylinder internal combustion engines with fuel injection nozzles In order to avoid fuel injection nozzles with a control range extending over the entire load range of the engine, in an internal combustion engine equipped with two intake pipes per cylinder and wherein, furthermore, one intake manifold each supplies inta... | 02/23/1988 |
| 4726337 | Intake system for multiple intake valve type engines Several embodiments of induction systems for internal combustion engines that improve maximum power and also provide good running at low and medium speeds with a good torque curve throughout the engine speed range. Each embodiment includes a pair of intak... | 02/23/1988 |
| 4708098 | Apparatus and method for increasing power output of an internal combustion engine An internal combustion engine in which a minor portion of the air-fuel mixture being flowed to the combustion engine chamber is withdrawn through a fluid withdrawal passage. The fluid withdrawal passage enters the curved outlet section of the intake passa... | 11/24/1987 |
| 4703729 | Intake system with double intake ports for internal combustion engine The present invention relates to an intake system with double intake ports for internal combustion engine, involving two intake ports for each cylinder chamber of the engine, one of the two intake ports being a pure helical port which introduces suction a... | 11/03/1987 |
| 4664075 | Symmetric manifold Symmetric intake manifold arrangements for engines with inline cylinders are disclosed having equal length runners and intake conditions. Exemplary arrangements for three-, four- and six-cylinder engines and dual port four-cylinder engines are illustrated... | 05/12/1987 |
| 4660530 | Intake system for internal combustion engine An induction system for an internal combustion engine that improves mid range torque without sacrificing low speed running or high speed performance. Each cylinder of the engine is served by two intake ports that are, in turn, served by respective intake ... | 04/28/1987 |
| 4628880 | Induction system for internal combustion engine having multiple inlet valves per combustion chamber In order to prevent large amounts of residual gas from remaining in the combustion chamber after the exhaust phase in an engine provided with dual induction arrangement including two inlet valves and corresponding induction ports, air is bled into the por... | 12/16/1986 |
| 4627400 | Porting system for internal combustion engine An induction system for an internal combustion engine wherein each chamber of the engine is provided with three intake ports and one charge former serves two of those intake ports while another charge former serves the other intake port. The charge former... | 12/09/1986 |
| 4619226 | Intake device for internal combustion engine A hollow drum-like surge tank is supported for rotation in a casing. The surge tank communicates with the atmosphere by way of an opening formed in one end thereof and with the interior space of the casing by way of communicating holes formed in the perip... | 10/28/1986 |
| 4612903 | Induction system for internal combustion engine having multiple inlet valves Each combustion chamber of the engine is communicated with (a) first and second induction passages which are dimensioned to produce an optimal ramming effect during high speed and (b) a third passage which provides good ramming during low engine speed ope... | 09/23/1986 |
| 4592310 | Intake device for internal combustion engine An intake device for an internal combustion engine is provided with an intake passage-length change mechanism for changing the effective length of the intake passage for each cylinder, and a valve timing change mechanism for changing the closure timing of... | 06/03/1986 |
| 4570590 | Internal combustion engine with multiple intake valves An engine with three intake ports and three intake valves for each cylinder. The first intake port is a helical port. The remaining two intake ports have intake control valves, which open when the engine speed and the engine load are large and close when ... | 02/18/1986 |
| 4567860 | Intake system for multiple cylinder engines An induction system for a multiple cylinder internal combustion engine wherein the manifold and cylinder head intake passages of the respective cylinders are divided into two parts by a partition. A load responsive throttle valve controls the flow to the ... | 02/04/1986 |
