Fluid-pressure and analogous brake systems – With pump
Patent
1999-08-03
2000-05-30
Butler, Douglas C.
Fluid-pressure and analogous brake systems
With pump
188274, 188264P, 188264F, 188294, 188295, 188302, F16F 942
Patent
active
060683511
ABSTRACT:
In a braking axle driven by a wheel of a trailer vehicle, wherein an axle-driven pumping mechnism is used to pressurize a volume of hydraulic fluid in response to a braking command, the fluid pressure activates a turbine which in turn drives a cooling fan aimed at a radiator used to dissipate the heat accumulating into the hydraulic fluid. The coaxially circular arrangement of the pumps, control valves and other components of the system yields a simple, efficient and sturdy mechanical structure that can withstand very high internal fluid pressure with a limited and controllable leakage rate.
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patent: 4114734 (1978-09-01), Bultmann
patent: 4451094 (1984-05-01), Martin
patent: 5178238 (1993-01-01), Schaeff
patent: 5779008 (1998-07-01), Vogelsang et al.
Buchaca John D.
Butler Douglas C.
Charmasson Henri J.A.
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