Change-over valve, preferably for a railway vehicle

Details Change-over valve, preferably for a railway vehicle Change-over valve, preferably for a railway vehicle

1979-04-26

1982-03-30

Reger, Duane A.

Brakes

Position adjusters

Load

303 23R, B60T 820

Patent

active

043219853

ABSTRACT:
This invention relates to a change-over valve (or a so called empty-load valve), preferably for a railway vehicle, having a valve device opening or closing a pneumatic passageway depending on the position of a mechanical operating system or in other words the load on the vehicle.
In order to improve the working range of the external operating arm and the exactness of the change-over point the operating system comprises a force transmitting chain from said operating arm to the valve device via a spring, a knee lever, and a valve operating rod structured in such a geometrical way that the axis of the spring is substantially perpendicular to the valve operating rod.

REFERENCES:
patent: 4235478 (1980-11-01), Billeter

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