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:
Oct. 28, 2003
Filed:
Nov. 13, 2001
David Anthony Harries, Stratford upon Avon, GB;
Abstract
A hydraulic actuation system for an automated transmission system includes; a hydraulic fluid accumulator ( ), a hydraulic fluid reservoir ( ), a clutch slave cylinder and gear engagement select and shift actuators ( ); the clutch slave cylinder ( ) and select and shift actuators ( ) are selectively connected to the accumulator ( ) or to the reservoir ( ) via a main control solenoid valve ( ); a further clutch control solenoid valve ( ) being connected between the main control valve ( ) and the clutch slave cylinder ( ), the clutch control valve ( ) being switchable between a open position in which slave cylinder ( ) is connected to the main control valve ( ) and a closed position in which the clutch slave cylinder ( ) is isolated from the main control valve ( ); the working chambers ( ) of the select and shift actuators ( ) being selectively connected to the main control valve ( ) or to the reservoir ( ) via gear control solenoid valves ( ).
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile