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. 24, 1987
Filed:
Sep. 16, 1985
Applicant:
Inventors:
Thomas H Engle, Cape Vincent, NY (US);
John W Parker, Rochester, NY (US);
Assignee:
General Signal Corporation, Stamford, CT (US);
Primary Examiner:
Int. Cl.
CPC ...
B60T / ;
U.S. Cl.
CPC ...
303-3 ; 105 61 ; 2461 / ; 303 15 ; 303 20 ;
Abstract
A train having at least a pair of control cabs spaced along the train interconnected electrically. Electric signals transmitted between the control cabs allows for fluid braking signals to be propagated from both control cabs toward each other. Each car of the train includes a device for modifying a test signal transmitted between the control cabs in response to a specified condition. The signal modify device can be a tuned circuit and may indicate brake status or a hot journal.