Fluid handling – Self-proportioning or correlating systems – Supply and exhaust type
Reexamination Certificate
2011-07-12
2011-07-12
Hepperle, Stephen M (Department: 3753)
Fluid handling
Self-proportioning or correlating systems
Supply and exhaust type
C137S851000, C303S064000, C303S033000, C303S040000
Reexamination Certificate
active
07975715
ABSTRACT:
A valve for use in a pneumatic system of a truck-trailer having a source of air under pressure, a reservoir, at least one spring brake unit and a brake service line is provided. The valve includes a housing, a pressure protection valve portion, a spring brake actuation valve portion and an anti-compounding valve portion. The housing has a supply passage in communication with the source of air under pressure. The pressure protection valve portion is disposed within a first chamber of the housing. The first chamber has an inlet in communication with the supply passage and an outlet in communication with the reservoir. The pressure protection valve portion is configured to selectively block the flow of pressurized air from the supply passage to the reservoir through the first chamber. The spring brake actuation valve portion is disposed within a second chamber of the housing.
REFERENCES:
patent: 2960998 (1960-11-01), Sinker et al.
patent: 4003605 (1977-01-01), Fannin
patent: 4169633 (1979-10-01), Stearns
patent: 4596265 (1986-06-01), Goodell
patent: 4915456 (1990-04-01), Gross et al.
patent: 5172958 (1992-12-01), Sell
patent: 5284384 (1994-02-01), Herring
patent: 5286095 (1994-02-01), Sell et al.
patent: 5417479 (1995-05-01), Wallestad et al.
patent: 5425572 (1995-06-01), Koelzer et al.
patent: 5553928 (1996-09-01), Hart et al.
patent: 6116280 (2000-09-01), Goodell
patent: 6769744 (2004-08-01), Marsh et al.
patent: 7077481 (2006-07-01), Marsh et al.
“Bendix SR-5 Trailer Spring Brake Valve”, Bendix Service Data Sheet SD-03-4516, Bendix Commercial Vehicle Systems LLC, 2004.
“Bendix SR-7 Spring Brake Modulating Valve”, Bendix Service Data Sheet SD-03-9043, Bendix Commercial Vehicle Systems LLC, 2004.
“Bendix Piggyback Spring Brake”, Bendix Service Data Sheet SD-02-4500, Bendix Commercial Vehicle Systems LLC, 2004.
Fenzel David
Marsh Andrew
Ramler Travis G.
Bendix Commercial Vehicle Systems LLC
Chaudry Atif H
Fay Sharpe LLP
Hepperle Stephen M
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