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:
Apr. 06, 2010
Filed:
Nov. 20, 2006
Applicant:
Akihito Kusano, Toyota, JP;
Inventor:
Akihito Kusano, Toyota, JP;
Assignee:
Advics Co., Ltd., Kariya, Aichi-Pref., JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T 8/40 (2006.01); F04B 39/10 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a liquid pump for a braking system of a vehicle, one end of a piston is slidably inserted into a cylindrical space of a housing member, and a sliding ring is provided on the piston. A suction chamber is formed by an inner peripheral surface of the housing member, an outer peripheral surface of the piston and the sliding ring. An inner diameter 'Dk' of the housing member is made larger than an inner diameter 'Dc' of the cylindrical space. As a result, the volume of the suction chamber is increased, without making the piston smaller in its diameter.