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:
May. 14, 1996
Filed:
Dec. 21, 1994
Takashi Kurokawa, Nagoya, JP;
Michiharu Nishii, Toyota, JP;
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Abstract
A brake pressure generating device for a vehicle includes a cylinder body, a pressure source connected with the cylinder body for generating a pressure, a first piston slidably disposed in the cylinder body for being operated by a brake pedal of the vehicle, a sleeve member disposed in the cylinder body for forming a pressure chamber with the first piston at one end thereof and for being exposed to a regulated pressure chamber at the other end thereof, and a spool valve slidably disposed in the sleeve member for regulating the pressure of the pressure source. A second piston is slidably disposed in the sleeve member for receiving the pressure in the pressure chamber at one end thereof and for being connected with the spool valve to impart a force the spool valve. An elastic member is disposed in the cylinder body and receives a pressure in the regulated pressure chamber. A reaction member is connected with the spool valve at one end thereof and is in contact with the elastic member at the other end thereof.