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:
Jan. 07, 1986
Filed:
Nov. 03, 1980
Yohichi Furuta, Chiryu, JP;
Aisin Seiki Kabushiki Kaisha, Kariya, JP;
Abstract
A fluid pressure servomotor for automotive vehicle wheel brake system including a housing having a movable wall therein for reciprocable movement, the movable wall dividing the housing into two compartments, one on each side of the movable wall. The two compartments cooperate to produce a pressure differential on opposite sides of the movable wall that causes the wall to be moved by the higher pressure in the direction of the lower pressure. The servomotors further have a control valve operated by the operator of the vehicle that regulates the degree of vacuum or less than atmospheric pressure established at one side of the movable wall. The movable wall is usually connected with the master cylinder of the hydraulic brake system of the motor vehicle so that when a pressure differential is effective on the movable wall and hence a power movement of the wall is produced, hydraulic fluid is displaced from the master cylinder into the hydraulic fluid brake system to apply the hydraulic brakes of the vehicle.