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. 02, 2000
Filed:
Apr. 29, 1997
Toyota Jidosha Kabushiki Kaisha, Toyota, JP;
Abstract
A braking device of diagonal type having two sub-systems each including a front wheel brake cylinder and a rear wheel brake cylinder which are connected to master cylinder through respective front and rear passages in which are first and second solenoid-operated valves are disposed. The rear passage is connected to a portion of the front passage between the first valve and the front wheel brake cylinder, and a third solenoid-operated valve is disposed in a reservoir passage connecting the rear passage to a reservoir connected to a pump. A controller for controlling the valves and the pump includes a device for alternately opening and closing the third valve in a predetermined switching pattern while the second valve is held open or is alternately opened and closed, whereby the rate of change of the braking pressure in each wheel brake cylinder can be controlled as desired depending upon the switching pattern of the third valve.