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. 27, 2001
Filed:
Feb. 04, 1999
Applicant:
Inventor:
Luann M. LaLone, Adams, NY (US);
Assignee:
New York Air Brake Corporation, Watertown, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B60T 8/18 ;
U.S. Cl.
CPC ...
B60T 8/18 ;
Abstract
An empty-load device with an additional brake cylinder test port which is at the same pressure as the brake cylinder port of the empty-load device. The empty-load device includes a housing and pipe bracket having a brake cylinder, a control valve and brake cylinder test ports. The brake cylinder port and the brake cylinder test port are on one side of the valve seat of the load responsive valve and the control valve port is on an opposite side of the valve seat. A check valve is provided in the brake cylinder test port which is opened when a connector is mated with a brake cylinder test port.