The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 15, 2006
Filed:
Sep. 16, 2004
Myron U. Trenne, Farmington Hills, MI (US);
Dwayne S. Bontrager, Canton, MI (US);
Myron U. Trenne, Farmington Hills, MI (US);
Dwayne S. Bontrager, Canton, MI (US);
Yazaki North America, Inc., Canton, MI (US);
Abstract
A system for actuating sequential engine function transducers such as fuel injector solenoids comprising a plurality of switch nodes equal in number to the number of cylinders of the engine. Each switch node includes a high current switch such as a transistor and an individually addressable driver circuit for causing the transistor to conduct when an address unique to the driver is received. The nodes are preferably disposed in close physical proximity to the injector solenoids. Low current address carrying lines are connected between the address generator and the individual switch drivers to activate them in sequence. Only a single high voltage high current supply line need be provided. The transducers may also be intake and/or exhaust valve actuators or spark ignition devices.