Title:
SELF-CONTAINED REGULATING VALVE, AND COMPRESSION TYPE REFRIGERATING MACHINE HAVING THE SAME
Document Type and Number:
WIPO Patent Application WO/2002/066872
Kind Code:
A1
Abstract:
A self-contained regulating valve having a spool (13) axially movable in the internal space of a cylindrical valve main body (11), wherein one pressure (P¿1?) is applied to one end surface of the spool (13) while the other pressure (P¿2?) is applied to the other end surface, the spool (13) being formed with a through-hole (13a), so that when the difference between one pressure (P¿1?) and the other pressure (P¿2?) exceeds a set value, the through-hole (13a) communicates with a pipe line (12) connected to the valve main body (11), thus establishing the open state.
Inventors:
UEDA KENJI (JP)
Application Number:
PCT/JP2001/001239
Publication Date:
August 29, 2002
Filing Date:
February 21, 2001
Export Citation:
Assignee:
MITSUBISHI HEAVY IND LTD (JP)
UEDA KENJI (JP)
UEDA KENJI (JP)
International Classes:
F16K3/26; F16K17/24; F16K31/122; F16K3/24; F25B1/00; F25B1/047; F25B1/053; F25B1/10; F25B41/04; (IPC1-7): F16K31/122; F25B1/053; F25B41/04
Foreign References:
| JPS6069460A | 1985-04-20 | |||
| JPS646587A | 1989-01-11 | |||
| JPH0654975U | 1994-07-26 | |||
| JPH07208636A | 1995-08-11 | |||
| JPH1151183A | 1999-02-23 | |||
| US5195557A | 1993-03-23 | |||
| JPS5911960U | 1984-01-25 | |||
| JPS62133073U | 1987-08-21 | |||
| JPH11132581A | 1999-05-21 | |||
| JPH11344265A | 1999-12-14 | |||
| JP2001050598A | 2001-02-23 |
Attorney, Agent or Firm:
Mitsuishi, Toshiro (Akasaka 1-chome Minato-ku, Tokyo, JP)
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