Title:
FLOW RATE SWITCH-EQUIPPED PUMP, FLOW RATE SWITCH, AND ELECTRIC PUMP USING FLOW RATE SWITCH
Document Type and Number:
WIPO Patent Application WO/2022/044694
Kind Code:
A1
Abstract:
The flow rate switch-equipped pump according to the present disclosure is an electric pump (1) provided with a pump casing (3) having a discharge flow path which flows out in a substantially horizontal direction. A flow rate switch (6) which controls starting and stopping of the electric pump (1) is provided to the discharge flow path. The flow rate switch (6) has a housing (a base (12), a paddle casing (13), and a cover (15)) in the interior of which a substrate (16) serving as a circuit section is provided, a paddle (14) in which a water receiving section (19) is disposed inside a discharge flow path, and a switch starting section (18) which is provided integrally with the paddle (14). The switch starting section (18) is provided to the upper side of the paddle (14) and the water receiving section (19) is provided to the lower side thereof, with the axis of revolution of the paddle (14) serving as the boundary.
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Inventors:
TSUZUKI RYO
KUBOTA AKIHIRO
KUBOTA AKIHIRO
Application Number:
PCT/JP2021/028270
Publication Date:
March 03, 2022
Filing Date:
July 30, 2021
Export Citation:
Assignee:
PANASONIC IP MAN CO LTD (JP)
International Classes:
F04D13/06; F04D29/00; G01F1/28
Foreign References:
| JP2009036149A | 2009-02-19 | |||
| JPS5497138U | 1979-07-09 | |||
| JPS4996969U | 1974-08-21 | |||
| JP2020106286A | 2020-07-09 | |||
| US4629116A | 1986-12-16 |
Attorney, Agent or Firm:
KAMATA Kenji et al. (JP)
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