Valve assembly

Details Valve assembly Valve assembly

1997-01-23

1998-03-24

Michalsky, Gerald A.

Fluid handling

Self-proportioning or correlating systems

Self-proportioning flow systems

92 99, G05D 1103

Patent

active

057301719

ABSTRACT:
A valve assembly 30 having a pressure balancer 38 disposed in a housing 32 in which is formed a chamber 48. A one-piece poppet unit 46 is mounted for movement in the chamber 48. The poppet unit 46 has a shaft 51 with a circular disc 106 to which is bonded a diaphragm 56 and a pair of poppets 52 and 54 formed at either end thereof. The diaphragm 56 divides the chamber to form a compartment on either side thereof in which there is zero leakage across the diaphragm 56 of the poppet unit 46 and eliminating any cross-flow leakage between the hot and cold water, respectively, in the chamber compartments.

REFERENCES:
patent: 3048274 (1962-08-01), Lundeen
patent: 3688790 (1972-09-01), Esten
patent: 3724480 (1973-04-01), Povalski et al.
patent: 3794075 (1974-02-01), Stoll et al.
patent: 3921659 (1975-11-01), Rudewick, III
patent: 4094333 (1978-06-01), Petursson
patent: 4095610 (1978-06-01), Priesmeyer
patent: 5445181 (1995-08-01), Kuhn et al.
patent: 5501244 (1996-03-01), Shahriar
patent: 5634391 (1997-06-01), Eady

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