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:
Sep. 27, 1988
Filed:
Jun. 25, 1987
Applicant:
Inventors:
Asaji Imanaka, Kobe, JP;
Mitsuhiro Ikeda, Amagasaki, JP;
Assignee:
Nippon Air Brake Co., Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16K / ;
U.S. Cl.
CPC ...
1376275 ;
Abstract
The present invention discloses an electromagnetic valve for use in a railroad car slip prevention control of the brake system. Such electromagnetic valve having three-position control capability. The control position is selected based on an excitation current supplied to a solenoid valve.