Partial flush apparatus utilizing pneumatic time delay mechanism

Details Partial flush apparatus utilizing pneumatic time delay mechanism Partial flush apparatus utilizing pneumatic time delay mechanism

1981-01-15

1983-11-01

Phillips, Charles E.

Baths, closets, sinks, and spittoons

Flush closet

Tank only

4360, 4415, E03D 134

Patent

active

044123620

ABSTRACT:
A partial flush apparatus, for use in conjunction with a conventional flush toilet, utilizes a pneumatic time delay mechanism for partially flushing the contents of the water tank into the toilet bowl. An extension member is secured to the conventional flush handle lever arm and a cable extends between the extension member and a plunger of the pneumatic time delay mechanism. When depressed, the plunger lifts the extension member and thereby partially opens a flapper valve at the bottom of the water tank for a predetermined time. The pneumatic time delay mechanism includes a spring for biasing the plunger to a released position after the plunger has been depressed. The plunger incoporates a one-way valve for facilitating movement of the plunger to the depressed position. The plunger also includes a longitudinal bore forming part of a fluid conducting path that controls the return of the plunger to the released position. An adjustable metering rod is received by the longitudinal bore for initially restricting the flow of fluid therethrough.

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