Title: Control system for hydrokinetic brakes

Abstract: A control system for a hydrokinetic brake has a pressurized working fluid reservoir connected to the hydrokinetic brake by fluid feed and return lines. A regulating valve sets the pressure in the reservoir at a value related to a required braking torque. The inlet pressure of the hydrokinetic brake is maintained at a fixed value lower than the reservoir pressure, for example by an atmosphere vent, during normal braking operation so that the outlet pressure of the brake and hence the braking torque has a direct relationship with the reservoir pressure, irrespective of the rotational speed of the brake.

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Inventors: Shore, Anthony G. L. (Derby, EN)
Preston, Kevin S. (Derby, EN)
Churchill, David A. (Warwickshire, EN)

Application Number: 590909
Filing Date: 1975-06-27
Publication_date: 1977-01-25
Assignee: British Railways Board (London, EN)
Primary Class(es): 188/271 60/357, 188/296, 192/3.23
Other Classes:
US Patent Ref:

1985889	Jan, 1935	DeLaMater et al.	188/296.
2267852	Dec, 1941	Walker	188/296.
2425171	Aug, 1947	Bennett et al.	188/296.
2870875	Jan, 1959	Cline	188/296.
3051273	Aug, 1962	Cordiano et al.	188/296.
3334711	Aug, 1967	Anderson	188/271.
3650358	Mar, 1972	Bessiere	188/296.

Other Refs: 162,5831,213,270

Apr, 1955	AU
Mar, 1966	DT

Primary Examiner: Blix, Trygve M.
Assistant Examiner:
Attorney: Pollock, Vande Sande & Priddy