Integrated pressure exhaust valve and fluid coupling

Details Integrated pressure exhaust valve and fluid coupling Integrated pressure exhaust valve and fluid coupling

1987-03-10

1988-03-29

Reger, Duane A.

Fluid-pressure and analogous brake systems

Automatic

137102, 137107, 280421, 303 7, 303 35, B60T 800

Patent

active

047339195

ABSTRACT:
An integrated pressure exhaust valve and pneumatic coupling is used on a truck trailer for bringing air brake pressure from a tractor to the truck trailer. A gladhand coupling moiety is used for quick connection with an identical coupling moiety on the air pressure hose from the tractor. A check valve mechanism is incorporated in the body of the trailer coupling moiety for permitting air flow to the brakes when pressure from the tractor is greater than pressure in the trailer brake lines, and for permitting air flow from the brake lines to the atmosphere when pressure from the tractor is decreased. The integrated pressure exhaust valve and pneumatic coupling moiety can be mounted on the front of the trailer where it is found that pressure exhaust valve placement is most effective.

REFERENCES:
patent: 2858848 (1958-11-01), Wittren
patent: 3241865 (1966-03-01), Pumphrey
patent: 4019525 (1977-04-01), Horowitz
patent: 4204555 (1980-05-01), Durling
patent: 4461313 (1984-07-01), Beaumont
patent: 4475575 (1984-10-01), Nishimura
patent: 4478236 (1984-10-01), Neuzeret et al.
patent: 4596265 (1986-06-01), Goodell
SAE Standard J318 (SEP 80)-Air Brake Gladhand Service (Control) and Emergency (Supply ) Line Couplers.
Phillips Manufacturing Company, Catalog & Service Guide, p. 21, 1983.
Sloan Valve Company, Catalog, cover and p. 7.
Midland Brake, Inc., Catalog L 20024, Extracts (cover and four pages).
Advertisement in "Heavy Duty Trucking", Oct., 1986, pp. 34-35, by Midland Brake, Inc.

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