Title:
新規な入口弁構成を有する流体インジェクタ
Document Type and Number:
Japanese Patent JP2012522174
Kind Code:
A
Abstract:
With reference to FIG. 3, the present invention provides a fluid injector (10) which functions as a positive displacement pump and comprises: a housing (12) in which a piston chamber is formed; a piston (11) which reciprocates in the piston chamber to define therewith a variable volume fluid pumping chamber; a one-way inlet valve (32) which allows flow of fluid into the pumping chamber from a fluid inlet; and a one-way outlet valve (25, 26, 27, 28, 29) which allows flow of fluid out of the pumping chamber to a fluid outlet (31). In operation of the injector the piston (11) cyclically moves to increase volume of the pumping chamber and draw fluid into the pumping chamber via the one-way inlet valve (32) and then the piston moves to decrease volume of the pumping chamber and expel fluid from the pumping chamber via the one-way outlet valve (25, 26, 27, 28, 29).
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Inventors:
Allen, Jeffrey
Barra Crew, Stephen
Raven Hill, Paul, Bartholomew
Holahan, Richard, Matthew
Barra Crew, Stephen
Raven Hill, Paul, Bartholomew
Holahan, Richard, Matthew
Application Number:
JP2012502772A
Publication Date:
September 20, 2012
Filing Date:
March 31, 2010
Export Citation:
Assignee:
Sion-Sprays Limited
International Classes:
F04B17/04; F04B53/10
Attorney, Agent or Firm:
Minoru Yoshida
Tatsuya Tanaka
Tsukasa Senba
Yasumitsu Suzuki
Nao Usui
Fumiaki Doi
Shintaro Suzuki
Keita Kobuchi
Tatsuya Tanaka
Tsukasa Senba
Yasumitsu Suzuki
Nao Usui
Fumiaki Doi
Shintaro Suzuki
Keita Kobuchi