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:
Oct. 30, 2007
Filed:
Feb. 27, 2004
Kazumasa Futamura, Toyota, JP;
Makoto Shirai, Toyohashi, JP;
Toru Fujikawa, Obu, JP;
Atsutoshi Ikegawa, Nagoya, JP;
Kazumasa Futamura, Toyota, JP;
Makoto Shirai, Toyohashi, JP;
Toru Fujikawa, Obu, JP;
Atsutoshi Ikegawa, Nagoya, JP;
Aisin Seiki Kabushiki Kaisha, Aichi, JP;
Abstract
In order to provide an engine oil supply apparatus including a second oil pump () which can draw in and discharge oil quickly regardless of whether or not a first oil pump () is driven and which does not need to be large, an engine oil supply apparatus (Y) includes a first oil pump () drawing oil through a first oil passage () from an oil holder () holding oil, a second oil pump () connected in series with the first oil pump () through a connection oil passage () and driven independently of the first oil pump (), a first supply oil passage () for supplying oil to a first circulation section () from the first oil pump (), and a second supply oil passage () for supplying oil to a second circulation section () from the second oil pump (). In the engine oil supply apparatus (Y), a first oil reservoir () holds oil to be supplied to the second oil pump () and is provided independently of the oil holder () is provided.