Locomotive brake pipe valve cut-out failure detection and...

Details Locomotive brake pipe valve cut-out failure detection and... Locomotive brake pipe valve cut-out failure detection and...

2005-03-15

2005-03-15

Lavinder, Jack (Department: 3683)

Fluid-pressure and analogous brake systems

Releasing

Control pipe

C303S007000, C303S015000, C303S020000, C303S067000

Reexamination Certificate

active

06866347

ABSTRACT:
In a distributed power railroad train, an apparatus for equalizing the equalizing reservoir pressure in the remote power unit and the brake pipe pressure. With these pressures equal, the remote unit cannot charge the brake pipe while the lead unit attempts to vent the brake pipe to command a brake application at the railcars of the train.

REFERENCES:
patent: 4013323 (1977-03-01), Burkett
patent: 4552412 (1985-11-01), Balukin et al.
patent: 4946229 (1990-08-01), Deno et al.
patent: 5039038 (1991-08-01), Nichols et al.
patent: 5332297 (1994-07-01), Cunkelman et al.
patent: 6375275 (2002-04-01), Smith, Jr. et al.
patent: 6375276 (2002-04-01), Delaruelle
patent: 6435623 (2002-08-01), Peltz

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