Two-way throttle valve

Two-way throttle valve

  • CN 201,583,070 U
  • Filed: 01/09/2010
  • Issued: 09/15/2010
  • Est. Priority Date: 01/09/2010
  • Status: Active Grant
First Claim
Patent Images

1. bidirectional throttling valve that heat pump type air conditioner is used, include the body (1) of a tubulose, the interior sealing and fixing of body (1) has the valve seat (2a) of two symmetries, (2b), valve seat (2a), be shaped on valve opening (6a) (2b), (6b) and slideway (7a), (7b), slideway (7a), be provided with slidably spool (3a) (7b), (3b), spool (3a), have axial pore (9a) (3b), (9b), at valve opening (6a), on the external port (6b), respectively be provided with a screen pack (4a) in the tubular body (1), (4b), it is characterized in that:

  • described spool (3a), be cylindric (3b), its face of cylinder and slideway (7a), (7b) match, at valve seat (2a), (2b) last and spool (3a), (3b) the corresponding valve opening (6a) of the valve seat that matches of head, (6b) the other horizontal through flow hole (5a) that is provided with of port, (5b), on valve seat with horizontal through flow hole (5a), the external cylindrical surface that (5b) is associated (11a), (11b), body (1) inner cylinder face constitutes ventilation annular groove (12a), (12b).

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