F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/87
F16K 11/00 (2006.01) F16K 11/07 (2006.01) F16K 27/04 (2006.01) F16N 17/02 (2006.01)
Patent
CA 1270175
LOCKING ARRANGEMENT, ESPECIALLY FOR FLUIDS UNDER HIGH PRESSURE, AND USE OF THE APPARATUS ABSTRACT OF THE DISCLOSURE Locking arrangement for fluids under high pressure. The housing of the apparatus has a cylindrical hollow space, into which an inlet, an outlet and a relief channel lead. A pair of pistons, connected by a rod may be pushed back and forth between a closed position and an open position by means of two pneumatically operable, single-action piston-cylinder units between a closed position and open position. In the closed position one of the pistons of the pair of pistons closes the connecting path between the inlet channel and the outlet channel and the other piston opens up the connecting path between the outlet channel and the relief channel. In the open positon, one of the pistons opens up the connecting path between the inlet channel and the outlet channel, and the other piston closes the connecting path between the outlet and the relief channel. In both positions the part spaces of the cylindrical hollow space, adjacent to the shifting path of the pair of pistons, are connected with the relief channel. The apparatus closes and opens within a few milliseconds and also operates reliably in the case of abrasive fluids.
501664
Fetherstonhaugh & Co.
Lonza Ltd.
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