Invention Grant
US09002610B2 Relay valve control arrangement to provide variable response timing on full applications 有权
继电阀控制装置,可在完全应用中提供可变响应时序

Relay valve control arrangement to provide variable response timing on full applications
Abstract:
A brake system and related components including a metering device are configured to regulate a control signal received from a brake control device such that a control valve delays the supply of a level of requested braking pressure for a prescribed amount of time. The metering device can be an inversion valve and orificed check valve in a control circuit adapted to allow relatively unrestricted flow until a threshold pressure is reached, after which pressure the inversion valve closes and the flow is metered through an orifice. This has the effect of allowing rapid brake actuation to a first level, and then slowing further application of the brake until full requested braking is achieved. An electronic control unit can also be configured to regulate a control signal to delay development of the requested brake pressure.
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