Special valve for external counterpulsation

Special valve for external counterpulsation

  • CN 2,230,379 Y
  • Filed: 07/15/1991
  • Issued: 07/03/1996
  • Est. Priority Date: 07/15/1991
  • Status: Active Grant
First Claim
Patent Images

1. , a kind of special valve that is used for ECP, by valve block (3), live and tremble with fear (2) and electromagnet (17) formation, it is characterized in that piston (2) is contained in the cavity of valve block (3), between piston (2) dividing plate (20) and valve block (3) cavity bottom, be lined with spring (13), center hole (21) on piston (2) dividing plate (20) is spirally connected with major axis (1) and is fixing with nut (8), the top of major axis (1) is subjected to the pressure effect of electromagnet (17) and the elastic force effect that piston (2) is subjected to spring (13), piston (2) can be moved up and down in the cavity of valve block (3), 4 inlet holes in the bottom of valve block (3) (6) are connected with the gas source vessel with pressure, 4 air-filled pores (5) at valve block (3) middle part are connected with inflation interface (4), inflation interface (4) is connected with outside rubber balloon, when piston (2) when moving down, valve block (3) 4 inlet holes in bottom (6), groove (18) by piston (2) is inflated inflation interface (4) through air-filled pore (5), when moving on the piston (2), inflation interface (4) through the groove (18) of air-filled pore (5) and piston (2) by the outside exhaust of exhaust port (7), simultaneously, inlet hole (6) is closed by piston (2).

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×