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:
Jun. 30, 1992
Filed:
Jul. 03, 1990
Applicant:
Inventor:
Hideo Tamammori, Kobe, JP;
Assignee:
Nippon Air Brake Co., Ltd., Kobe, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
303 225 ; 303 227 ;
Abstract
A load compensation control valve for an air brake system for railway vehicles having air springs for producing control pressures proportional to the load sustained by the given vehicle. The load compensation control valve includes a supply chamber, an output chamber, a supply vlave, a supply valve seat, an exhaust valve rod, a balance piston, and an adjusting mechanism for controlling the pressure in the output chamber in accordance with the level of the control pressures.