Fluid handling – Removable valve head and seat unit – Pump type
Patent
1997-04-07
1999-07-13
Hepperle, Stephen M.
Fluid handling
Removable valve head and seat unit
Pump type
137853, 137856, 417559, F16K 1516
Patent
active
059212730
ABSTRACT:
A a cartridge type delivery valve assembly in which a valve seat surface and a valve are integrated in order to assure good seating characteristics in the delivery valve. The delivery valve assembly is formed by fixing together a valve holder provided with delivery holes, a roll valve that is mounted along the internal surface of the valve holder to freely open and close the delivery holes and a valve stopper that fixes the roll valve onto the valve holder and regulates the lift quantity of the roll valve, in an integrated manner using coupling members and the delivery valve assembly thus achieved is mounted in a valve insertion space.
REFERENCES:
patent: 4127369 (1978-11-01), Eiermann et al.
patent: 4199309 (1980-04-01), Connor
Makihira Susumu
Murayama Toshihiro
Muta Shunji
Nakajima Nobuyuki
Ono Mitsuya
Hepperle Stephen M.
Zexel Corporation
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