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:
Mar. 22, 2016
Filed:
Jun. 28, 2013
Applicant:
Hitachi, Ltd., Tokyo, JP;
Inventors:
Assignee:
HITACHI, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T 13/74 (2006.01); F15B 15/20 (2006.01); B60T 7/04 (2006.01); B60T 8/32 (2006.01); B60T 13/02 (2006.01);
U.S. Cl.
CPC ...
F15B 15/20 (2013.01); B60T 7/042 (2013.01); B60T 8/3275 (2013.01); B60T 13/02 (2013.01); B60T 13/745 (2013.01); B60T 2220/04 (2013.01); B60T 2270/604 (2013.01);
Abstract
An electrically actuated booster performs displacement control such that the relative displacement relationship between an input member and an assist member is variable according to the absolute displacement of the input member. A target displacement that makes variable the relative displacement relationship between an input piston and a booster piston is set according to a detection signal from a potentiometer (), and displacement control is performed so that the relative displacement between the two pistons becomes equal to the target displacement on the basis of a signal from a relative displacement sensor () that detects the relative displacement between the two pistons.