Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1996-04-30
1998-03-03
Ferensic, Denise L.
Fluid handling
Line condition change responsive valves
Direct response valves
137859, 23953315, 239570, F16K 1500
Patent
active
057224552
ABSTRACT:
A nozzle closing valve, particularly for a pressure atomizer nozzle of an oil burner, comprises an inlet side with an inlet port and a valve seat located at the end of the inlet port, as well as a closing member, which is sealing pressed onto the valve seat by a first spring located behind the closing member and is raised from the valve seat counter to the tension of the first spring when a predetermined pressure is reached in the inlet port. A maximum sealing action is achieved in the case of easy manufacture and compact construction in that the closing member is constructed as a diaphragm, the first spring has a substantially linear spring characteristic and the first spring is housed in a spring chamber constructed as a space open on one side and whose only opening is sealingly closed by the diaphragm.
REFERENCES:
patent: 3863841 (1975-02-01), Berthoud
patent: 4660598 (1987-04-01), Butterfield et al.
patent: 4883105 (1989-11-01), Schultz
patent: 5002230 (1991-03-01), Norskov et al.
patent: 5125578 (1992-06-01), Ballu
patent: 5323807 (1994-06-01), Gauld et al.
Ferensic Denise L.
Kim Joanne
Satronic AG
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