Nozzle closing valve, as well as pressure atomizer nozzle having

Details Nozzle closing valve, as well as pressure atomizer nozzle having Nozzle closing valve, as well as pressure atomizer nozzle having

1997-04-30

1999-04-06

Weldon, Kevin

Fluid sprinkling, spraying, and diffusing

Fluid pressure responsive discharge modifier* or flow...

Fuel injector or burner

239575, 239590, B05B 130

Patent

active

058906584

ABSTRACT:
A nozzle closing valve, particularly for a pressure atomizer nozzle of an oil burner, comprises an inlet side with an inlet passage, an outlet side with an outlet passage, a valve seat located between the inlet passage and the outlet passage, as well as a shutoff member. The shutoff member is sealingly pressed onto the valve seat by way of a first spring located behind the shutoff member and rises from the valve seat counter to the force of the first spring when a predetermined pressure is reached in the inlet passage. A maximum sealing action with easy manufacturability and a particularly compact structure are achieved in that the shutoff member is constructed as a membrane; the first spring has an essentially linear spring characteristic; the first spring is housed in a spring chamber, which is constructed as a space open on one side and whose sole opening is sealingly closed by the membrane; and the first spring and the spring chamber are located on the inlet side of the nozzle closing valve.

REFERENCES:
patent: 2144862 (1939-01-01), Truxell
patent: 2513720 (1950-07-01), Hallinan
patent: 2625437 (1953-01-01), Huntington
patent: 3223331 (1965-12-01), Baker
patent: 3297260 (1967-01-01), Barlow
patent: 3948285 (1976-04-01), Flynn
patent: 4167247 (1979-09-01), Sons et al.
patent: 4555719 (1985-11-01), Arway et al.

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