JPS5634999A - Valve device in dip pump apparatus - Google Patents

Valve device in dip pump apparatus

Info

Publication number
JPS5634999A
JPS5634999A JP11040779A JP11040779A JPS5634999A JP S5634999 A JPS5634999 A JP S5634999A JP 11040779 A JP11040779 A JP 11040779A JP 11040779 A JP11040779 A JP 11040779A JP S5634999 A JPS5634999 A JP S5634999A
Authority
JP
Japan
Prior art keywords
plate
shut
inlet
pump apparatus
conduction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP11040779A
Other languages
Japanese (ja)
Inventor
Tatsuo Fujinami
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP11040779A priority Critical patent/JPS5634999A/en
Publication of JPS5634999A publication Critical patent/JPS5634999A/en
Pending legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE: To automatically conduction between the casing inside and the reservoir in response to the needs in such a way that a shut-off plate and an inlet plate which have their tapered surfaces and inlet ports are provided in the bottom of the casing, and the inlet plate is forcibly pushed unidirectionally by a spring.
CONSTITUTION: A shut-off plate 27 and an inlet plate 24 which have respectively tapered surfaces and inlet ports 43, 26 are provided in the bottom part of a casing 41. Thus, when the pump apparatus is lifted up for the purpose of repair or another, since the inlet plate 24 gets rid of the empty weight of the pump apparatus, it moves in the right direction, and conduction between the inlet port 26 and the inlet port 43 is shut off by a shut-off rim 25. While the shut-off plate 27 is lifted up by the movement of the inlet plate 24, and a packing 29 closely sticks to the lower end surface of a stopper surface part 30. In consequence, conduction between the casing inside and the reservoir can be automatically and accurately shut off.
COPYRIGHT: (C)1981,JPO&Japio
JP11040779A 1979-08-31 1979-08-31 Valve device in dip pump apparatus Pending JPS5634999A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11040779A JPS5634999A (en) 1979-08-31 1979-08-31 Valve device in dip pump apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11040779A JPS5634999A (en) 1979-08-31 1979-08-31 Valve device in dip pump apparatus

Publications (1)

Publication Number Publication Date
JPS5634999A true JPS5634999A (en) 1981-04-07

Family

ID=14534994

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11040779A Pending JPS5634999A (en) 1979-08-31 1979-08-31 Valve device in dip pump apparatus

Country Status (1)

Country Link
JP (1) JPS5634999A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007064065A (en) * 2005-08-30 2007-03-15 Ebara Corp Liquid feeding device and its operation method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007064065A (en) * 2005-08-30 2007-03-15 Ebara Corp Liquid feeding device and its operation method
JP4660320B2 (en) * 2005-08-30 2011-03-30 株式会社荏原製作所 Liquid feeding device and operation method thereof

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