Fluid handling – Line condition change responsive valves – Direct response valves
Patent
1998-04-22
1999-07-27
Bennett, Henry
Fluid handling
Line condition change responsive valves
Direct response valves
1374545, 137549, 137540, F16K 2110, F16K 2500, F16K 1500
Patent
active
059273232
ABSTRACT:
An externally threaded portion 31 of a valve body 10 is threadingly engaged with an internally threaded portion Hb formed on the opening portion side of an attachment hole Ha. A flange portion 32 of the valve body 10 is brought into abutment with an upper surface Hc of the housing H, so that the valve body 10 is fixed to the housing H. A lower end of the valve body 10 is located away from a bottom surface of the attachment hole Ha. A valve seat 23 and a guide hole 24 are formed inside the valve body 10. The valve seat 23 and the guide hole 24 are located on a lower side than the externally threaded portion 31. A valve element 50 is provided inside the valve body 10. This valve element 50 includes a seat portion 51 rest on the valve seat 23, and a guide portion 55 slidably engageable with the guide hole 24. A lower end opening portion of the guide hole 24 is shielded with a shielding plate 25. An orifice 25a is formed in the shielding plate 25.
REFERENCES:
patent: 1111319 (1914-09-01), Paulsmeier
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patent: 4391295 (1983-07-01), Stipe
patent: 5050636 (1991-09-01), Sagawa et al.
patent: 5558068 (1996-09-01), Kunishima et al.
Aoki Fujio
Aoki Nobuo
Hozumi Etsuro
Kashiwaba Shigeru
Kikuchi Hideya
Bennett Henry
Kim Joanne Y.
Zexel Corporation
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