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. 19, 1993
Filed:
Sep. 25, 1991
Applicant:
Inventors:
Seiki Maruta, Kobe, JP;
Asaji Imanaka, Kobe, JP;
Assignee:
Nippon Air Brake Co., Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T / ; F16K / ;
U.S. Cl.
CPC ...
303 15 ; 303-3 ; 1376275 ;
Abstract
An electromagnetic valve control system employing a controller circuit for controlling the position of a pneumatic valve by regulating the magnetizing current provided to the electrical solenoid by establishing a first magnetizing current set point when the valve is to be moved from a release position to a lap position and by establishing a second magnetizing current set point when the valve is to be moved from an application position to a lap position.