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. 31, 2006
Filed:
Apr. 21, 2004
Applicant:
Yoshiaki Katou, Kanagawa, JP;
Inventor:
Yoshiaki Katou, Kanagawa, JP;
Assignee:
JATCO Ltd, Fuji, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16H 59/64 (2006.01); F16H 61/26 (2006.01); B60W 10/02 (2006.01); G05D 11/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A hydraulic control system for an automatic transmission includes a lubrication passage for feeding lubricating oil to a wet clutch and lubrication points of the transmission, first and second passages with a large-diameter orifice and a small-diameter orifice, respectively, arranged upstream of the lubrication passage, a switching valve for switching fluid communication between the lubrication passage and the first and second passages, a solenoid for controlling the switching valve, and an ECU for controlling the solenoid.