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:
Nov. 24, 2015
Filed:
Dec. 26, 2012
Applicant:
Johnson Electric S.a., Murten, CH;
Inventors:
Yvan Bourqui, Corminboeuf, CH;
Karin Krattinger, Kerzers, CH;
Assignee:
JOHNSON ELECTRIC S.A., Murten, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F15B 7/08 (2006.01); F15B 15/26 (2006.01); H02K 7/102 (2006.01); F16D 121/18 (2012.01);
U.S. Cl.
CPC ...
F15B 15/26 (2013.01); F15B 7/08 (2013.01); F16D 2121/18 (2013.01); H02K 7/1025 (2013.01);
Abstract
An electro-hydraulic actuator has a master cylinder, an electric motor and an electro-mechanical brake. The master cylinder has a hydraulic cylinder and an actuation piston slidably received within the hydraulic cylinder to vary pressure within a hydraulic circuit. The electric motor is adapted to drive the actuation piston into the hydraulic cylinder. The motor has a stator and a rotor. The electro-mechanical brake is arranged to selectively and releasably hold the rotor with respect to the stator to prevent relative rotational motion there between.