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:
Jun. 24, 2014
Filed:
Jun. 23, 2011
Shinya Kamada, Kure, JP;
Motomi Kobayashi, Hiroshima, JP;
Koshiro Saji, Hiroshima, JP;
Mazda Motor Corporation, Hiroshima, JP;
Abstract
A vehicle idle stop system is disclosed. The idle stop system comprises an engine, an automatic transmission, a first oil pump driven by said engine and generating hydraulic pressure which is supplied to a friction element of said automatic transmission, a second oil pump capable of operating and generating hydraulic pressure which is supplied to a friction element of said automatic transmission during an engine stop, and a controller. The controller is configured to control the engine to stop when a predetermined engine stop condition is satisfied, and to control the second oil pump to supply hydraulic pressure to a predetermined friction element coupled to a forward starting gear of the automatic transmission, the hydraulic pressure supplied to couple the predetermined friction element when the engine is automatically stopped and when a gear range of the automatic transmission is in a neutral range.