Single Chamber type Solenoid Pump

According to the present invention, a solenoid pump (1) comprises: a spool valve (30) moving upward in a state in which a chamber outlet (11-2) of a pump housing (10) is blocked when applying a current and moving downward in a state in which the chamber outlet (11-2) is opened by using a spring load...

Full description

Saved in:
Bibliographic Details
Main Authors CHAI MIN JAE, CHOI SUNG SIK, CHO SUNG HWAN, JO SE HWAN, BAE BONG UK, KIM WON HO, SHIN SANG HEE
Format Patent
LanguageEnglish
Korean
Published 02.10.2019
Subjects
Online AccessGet full text

Cover

Loading…
More Information
Summary:According to the present invention, a solenoid pump (1) comprises: a spool valve (30) moving upward in a state in which a chamber outlet (11-2) of a pump housing (10) is blocked when applying a current and moving downward in a state in which the chamber outlet (11-2) is opened by using a spring load of a valve spring (40) when releasing the current; and a piston (50) generating expansion and reduction in volume of a fluid chamber (11) by using upward and downward movement of the spool valve (30) and a spring load of a piston spring (60). Accordingly, the full length and weight of the valve can be reduced, and opening and closing of a discharge port of the fluid chamber (11) can be moved upward and downward to shorten a movement stroke. 본 발명의 솔레노이드펌프(1)는 전류인가시 펌프 하우징(10)의 챔버 출구(11-2)를 막아주는 상태로 상방향 이동하는 반면 전류해제시 밸브 스프링(40)의 스프링 하중으로 챔버 출구(11-2)를 열어주는 상태로 하방향 이동되는 스풀밸브(30), 스풀밸브(30)의 상하방향 이동과 피스톤 스프링(60)의 스프링 하중으로 유체 챔버(11)의 체적 팽창과 축소를 발생시켜 주는 피스톤(50)으로 포함함으로써 밸브 전장 및 중량을 감소하고, 특히 유체 챔버(11)의 토출구 열림과 닫힘이 스풀밸브(30)의 상하방향 이동으로 형성됨으로써 이동 스트로크가 짧아지는 특징을 갖는다.
Bibliography:Application Number: KR20180033437