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:
Dec. 04, 1984
Filed:
Oct. 28, 1981
Michael J Hawker, Lincoln, GB;
Joseph Mair, Lincoln, GB;
Clayton Dewandre Company Limited, Lincoln, GB;
Abstract
An hydraulic control valve and particularly such a valve for use as an automotive brake pressure modulation valve to maintain optimum adhesion and traction between the tire of the vehicle and the road surface during braking when the wheel shows a tendency to lock. The valve comprises one or more solenoid operated valves in which the solenoid core defines a chamber for a fluid under pressure. Preferably the valve member is in the form of a spool connected to or constituting the armature and is slidable within the core. The core has a narrow waisted portion provided to establish a preferred flux part through the armature. This arrangement enables the core of the valve to withstand the necessary operating pressure without the need for complex and carefully controlled welding. Smaller solenoids can be used by pressure balancing the valves.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile