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| Number | Title | Issue Date |
| 5059221 | Integrated air cleaner assembly A filter assembly comprising: first and second compartments, the first compartment comprising an exit tube, the second compartment comprising an air inlet the exit tube comprises a plurality of radial inwardly extending stand-offs; an air flow sensor for ... | 10/22/1991 |
| 5054455 | Regulated flow canister purge system The evaporative emission control system for an internal combustion engine purges the vapor collection canister to the throttle body through both a purge regulator controlled by the engine ECU and a variable orifice valve that is mechanically operated by t... | 10/08/1991 |
| 5010216 | Velocity change sensors Various embodiments of sensors are disclosed which contain an inertial mass that is magnetically biased to an initial position. In response to a certain deceleration, the mass is caused to swing about an axis and operate a switch. In some embodiments, the... | 04/23/1991 |
| 5005532 | Integrated tuned induction system A plenum is surrounded by runners that spiral around the plenum sidewall to the entrances to the engine cylinders. The circumferential extent of each runner exceeds 360 degrees about a longitudinal axis of the plenum. Portions of the runners share common ... | 04/09/1991 |
| 4995369 | Regulated flow canister purge system The evaporative emission control system for an internal combustion engine purges the vapor collection canister to the throttle body through both a purge regulator controlled by the engine ECU and a variable orifice valve that is mechanically operated by t... | 02/26/1991 |
| 4989564 | Idle air bypass A valve assembly of novel configuration is associated with the main air induction passage of a fuel-injected, spark-ignited, automotive internal combustion engine for the purpose of regulating the idle air flow. The valve assembly has an inlet connected u... | 02/05/1991 |
| 4979584 | Automotive vehicle engine bay ventilation Ram air ventilation of the engine bay of an automotive vehicle is accomplished by providing ventilating openings in a transverse structural cross-member that bridges the front of the engine bay, and by collecting hot effluent from the radiator and condens... | 12/25/1990 |
| 4951637 | Purge flow regulator Hydrocarbon fuel vapors that are collected in a canister are periodically purged to the intake manifold through a purge valve that comprises a variable orifice valve portion and a flow regulator valve portion in series with each other. The variable orific... | 08/28/1990 |
| 4936413 | In-line noise attenuation device for a gas conduit An in-line noise attenuation device for insertion into a gas induction system, such as the air induction system of an automotive vehicle internal combustion engine. The device comprises two plastic parts snap-fitted together. One part is an outer tube, an... | 06/26/1990 |
| 4934343 | In-line noise attenuation device The device has an entrance and an exit with two low-restriction venturi sections placed in parallel between the entrance and exit. The entering gas flow is separated into two parts, one to pass through one venturi section and the other to pass through the... | 06/19/1990 |
| 4930990 | Quiet clutch fan blade A clutch fan has a new and unique blade design that results in quieter and more efficient operation. The blade design involves the leading edge having inner, intermediate, and outer regions such that the intermediate region is of increasing skew in the di... | 06/05/1990 |
| 4919086 | Integrated tuned induction system An integrated tuned air induction system for an internal combustion engine comprises an air intake leading to an air filter compartment. The air filter compartment leads to a tube that extends horizontally past a bank of cylinders that is served by the sy... | 04/24/1990 |
| 4915588 | Axial flow ring fan with fall off An axial flow ring fan has improved efficiency and reduced noise by making the leading edge of each blade a generally sinusoidal shape and projecting this geometry throughout the blade by imparting fall off to each blade.... | 04/10/1990 |
| 4901974 | Canister purge solenoid valve A canister purge solenoid valve is constructed and arranged to provide reduced operating noise and decreased armature wear as the armature reciprocates within a bore in response to solenoid energization and de-energization. The armature contains an elasto... | 02/20/1990 |
| 4902861 | Inertia switch An inertia switch for a supplemental inflatable restraint system. The switch comprises a casing that is divided into two chambers by an axially movable diaphragm. The diaphragm carries an electrical contact on one face and an inertial mass on the other. A... | 02/20/1990 |
| 4900229 | Axial flow ring fan An axial flow ring fan has improved efficiency and reduced noise by making the leading edge of each blade a generally sinusoidal shape.... | 02/13/1990 |
| 4874010 | Heater control valve A heater control valve comprising: a valve body defining a chamber and a bypass passage extending therefrom. A first conduit in fluid communication with the bypass passage for defining a first inlet port and a first exit port adapted to communicate coolan... | 10/17/1989 |
| 4869461 | Canister purge valve with resilient armature A flow rate valve comprising a non-magnetic housing comprising a central cavity and a pressure chamber, first and second ports extending into the pressure chamber, the interior end of the first port forming a valve seat. A bobbin is received within the ca... | 09/26/1989 |
| 4850384 | Electric vacuum regulator A pressure regulating valve comprising: a magnetic circuit comprising a magnetic central portion having a fluid passage, adapted to receive fluid at a first pressure level; an annular, upraised magnetic valve seat coaxial with the central portion and disposed ... | 07/25/1989 |
