Title:
ポンプ効率向上のための出口バルブ配列
Document Type and Number:
Japanese Patent JP7287976
Kind Code:
B2
Abstract:
A dispenser includes a housing, an inverted container disposed in the housing, a outlet nozzle, a pump, a first check valve, and a second check valve. The pump is disposed between the container and the outlet nozzle. The pump includes a pump inlet a pump outlet, and a pump chamber. The pump chamber is movable between an expanded position and a compressed position. The first check valve is disposed between the pump and the outlet nozzle, and the first check valve has a first cracking pressure. The second check valve is disposed between the first check valve and the outlet nozzle, and the second check valve has a second cracking pressure. The second cracking pressure of the second check valve is greater than the first cracking pressure of the first check valve.
Inventors:
McNulty, John Jay
Harris, Donald Earl
Chivarella, Nick Yee
Willis, Daniel M
Marshall, Aaron Dee
Harris, Donald Earl
Chivarella, Nick Yee
Willis, Daniel M
Marshall, Aaron Dee
Application Number:
JP2020545576A
Publication Date:
June 06, 2023
Filing Date:
February 22, 2019
Export Citation:
Assignee:
GOJO Industries,Inc.
International Classes:
B65D83/00; A47K5/12; B05B9/04; B67D1/08; F04B53/10
Domestic Patent References:
| JP2009184734A | ||||
| JP2006509153A | ||||
| JP2006521887A |
Foreign References:
| US20150090737 | ||||
| US20130206794 | ||||
| US3258175 |
Attorney, Agent or Firm:
Patent Attorney Corporation Nagai International Patent Office
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