摘要:
The throttle blade is made to have a resilient outer margin whose outside diameter is circular and essentially equal to the diameter of the throttle bore within which the blade is disposed. The blade can maintain control even at engine idle. Several embodiments of throttle blade are disclosed. In one, an elastomeric seal is insert-molded onto the main blade body; in another, the seal is a multitude of short bristles; in still another, it is a stamped polytetrafluoroethylene part. There is also a special construction for assembling the shaft.
摘要:
A multiple-runner intake manifold is constructed of upper and lower parts that fit together at a joint. The upper manifold is molded thermoplastic, and the lower part is molded phenolic. The lower part contains an integral fuel rail. The lower part contains a portion of each runner. Those portions are formed as separate through-passages during molding of the lower part in the cavity of a multi-part mold. The fuel passages are molded as through-holes some ends of which are subsequently plugged by closures and other ends of which receive fittings.
摘要:
The throttle blade is made to have a resilient outer margin whose outside diameter is circular and essentially equal to the diameter of the throttle bore within which the blade is disposed. The blade can maintain control even at engine idle. Several embodiments of throttle blade are disclosed. In one, an elastomeric seal is insert-molded onto the main blade body; in another, the seal is a multitude of short bristles; in still another, it is a stamped polytetrafluoroethylene part. There is also a special construction for assembling the shaft.
摘要:
Several embodiments for establishing electrical connection of individual fuel injectors on the interior of a fuel rail assembly to an electrical connector at the exterior of the fuel rail assembly include the use of flexible circuits and electronic circuit board assemblies.
摘要:
A rolling ball type mechanism is incorporated into a top-feed fuel injector so that the fuel injector has an outward appearance similar to that of known top-feed fuel injectors. The seat member is provided with a slot that makes the flow gradient more uniform over the flow area through the seat member.
摘要:
The throttle blade is made to have a resilient outer margin whose outside diameter is circular and essentially equal to the diameter of the throttle bore within which the blade is disposed. The blade can maintain control even at engine idle. Several embodiments of throttle blade are disclosed. In one, an elastomeric seal is insert-molded onto the main blade body; in another, the seal is a multitude of short bristles; in still another, it is a stamped polytetrafluoroethylene part. There is also a special construction for assembling the shaft.
摘要:
A multiple-runner intake manifold is constructed of upper and lower parts that fit together at a joint. The upper manifold is molded thermoplastic, and the lower part is molded phenolic. The lower part contains an integral fuel rail. The lower part contains a portion of each runner. Those portions are formed as separate through-passages during molding of the lower part in the cavity of a multi-part mold. The fuel passages are molded as through-holes some ends of which are subsequently plugged by closures and other ends of which receive fittings.
摘要:
An active noise cancellation system (26) for controlling engine noise propagation through a vehicle induction system (32) is customizable to achieve a desired engine noise profile. A controller (34) of the active noise cancellation system drives a speaker (36) to generate a noise cancellation sound in a manner consistent with an individual's indicated preference for a specific type of available engine noise profile. By customizing how the speaker is driven, the system customizes the resulting engine noise heard in the passenger compartment. In one example, the system is customizable using a hand held communication device (24) such as a cell phone, a personal digital assistant or a so-called palm top computer. In another example, a resident communication bus on the vehicle is accessed through a user communication interface (28) supported on the vehicle.
摘要:
An electric vehicle control system controls motor response based upon monitored vehicle characteristics to provide consistent vehicle performance under a variety of conditions for a given accelerator manipulation. In one example, motor temperature is monitored. As the temperature increases, the gain of a power signal provided to the motor is increased to make up for the motor's hindered performance under higher temperature conditions. Other vehicle characteristics that are taken into account include a charge level in a fuel cell or current vehicle speed and engine load.
摘要:
An air induction system for a vehicle engine includes a sensor assembly for monitoring particulate concentration. The sensor assembly is mounted within an air intake housing, which has an inlet and an outlet. An airflow passageway extends between the inlet and the outlet to the vehicle engine. An air filter is mounted within the housing to filter particulates from air flowing through the airflow passageway. The sensor assembly can be mounted to an intake manifold or incorporated into a mass airflow sensor. The particulate sensor generates a particulate signal representative of particulate concentration entering the vehicle engine via the outlet. The signal is sent to an output device monitored by a vehicle operator.