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:
Jul. 15, 1980
Filed:
Jun. 01, 1978
Aisin Seiki Kabushiki Kaisha, Aichi, JP;
Toyota Jidosha Kogyo Kabushiki Kaisha, Aichi, JP;
Abstract
This invention relates to a hydraulic pressure control valve arrangement for automotive vehicle wheel brake systems, the latter system comprising a hydraulic master cylinder to be actuated by operating a foot brake pedal, a hydraulic brake pressure control valve assembly provided with a pneumatic servo piston mechanism, and an electromagnetic change-over valve assembly fluidically connected therewith, a skid sensor operatively connected therewith and also with a vehicle wheel, a wheel cylinder mechanism for applying hydraulic braking effort upon vehicle wheels and includes the provision for an inertia responsive valve for additionally controlling the braking fluid pressure reapplication in the wheel cylinders so as to have that reapplication be rapid at first to the fullest extent in accordance with the road coefficient and then becomes gradual.