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:
Mar. 15, 2011
Filed:
Dec. 21, 2007
Tetsuya Shimizu, Anjo, JP;
Kazuyuki Noda, Anjo, JP;
Kazunori Ishikawa, Anjo, JP;
Satoru Kasuya, Anjo, JP;
Tooru Matsubara, Toyota, JP;
Masahiro Kojima, Okazaki, JP;
Ryuji Ibaraki, Nishikano-gun, JP;
Atsushi Tabata, Okazaki, JP;
Tetsuya Shimizu, Anjo, JP;
Kazuyuki Noda, Anjo, JP;
Kazunori Ishikawa, Anjo, JP;
Satoru Kasuya, Anjo, JP;
Tooru Matsubara, Toyota, JP;
Masahiro Kojima, Okazaki, JP;
Ryuji Ibaraki, Nishikano-gun, JP;
Atsushi Tabata, Okazaki, JP;
Aisin AW Co., Ltd., Anjo, JP;
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A hydraulic control apparatus includes a switching device that switches between a hydraulic servo of the plurality of hydraulic servos of the first friction engaging element and a hydraulic servo of the plurality of hydraulic servos of the second friction engaging element so as to supply a control pressure from the one pressure regulating solenoid valve to each of the plurality of hydraulic servos, wherein the switching enables a control of an engagement and disengagement of the first friction engaging element and the second friction engagement element using the one pressure regulating solenoid valve.