Valves and valve actuation – With correlated flow path – Valve operated by joining flow path sections
Patent
1983-07-25
1985-10-15
Jones, Larry
Valves and valve actuation
With correlated flow path
Valve operated by joining flow path sections
285316, 285377, 251149, C11D 700
Patent
active
045469563
ABSTRACT:
A compressed air coupling with a coupling socket and a valve sleeve displaceable therein and lockable by a catch in the socket, and a nipple insertable into the valve sleeve and lockable by a ball catch in the valve sleeve. The valve sleeve (40) together with the nipple (16) is displaceable from its inner end position, while closing the connecting passage (58,64) to a predetermined intermediate position in which a passage (62,64,54,56) is opened between the nipple locked in the valve sleeve and the free atmosphere to release residual compressed air in the nipple. The intermediate position is determined by a shoulder (82) which is arranged on the socket (10) and interacts with the ball catch (78) of the valve sleeve at the same time as the ball catch locks the nipple (16) to the valve sleeve, the locking of the ball catch against the shoulder (82,84) being dependent on the force which the nipple is subjected to due to residual compressed air in the nipple and being arranged to be released when that compressed air has been depressurized to approximately atmospheric pressure, whereafter the compression spring (46) acting on the valve sleeve is free to displace the valve sleeve and the nipple to the outer end position (FIG. 1) of the valve sleeve, in which position the ball catch (78) of the valve sleeve is free to assume a free position (71) to make it possible to withdraw the depressurized nipple.
REFERENCES:
patent: 3112767 (1963-12-01), Cator
patent: 3423063 (1969-01-01), German
patent: 3613726 (1971-10-01), Torres
patent: 3791411 (1974-02-01), Bogeskov et al.
patent: 4060219 (1977-11-01), Crawford
patent: 4437647 (1984-03-01), Cruse
Jones Larry
Karl Ove Nyberg
Price Carl D.
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