JPS5286508A - Pump device - Google Patents

Pump device

Info

Publication number
JPS5286508A
JPS5286508A JP282676A JP282676A JPS5286508A JP S5286508 A JPS5286508 A JP S5286508A JP 282676 A JP282676 A JP 282676A JP 282676 A JP282676 A JP 282676A JP S5286508 A JPS5286508 A JP S5286508A
Authority
JP
Japan
Prior art keywords
pump device
intrusion
impurities
avoid
reduce
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
JP282676A
Other languages
Japanese (ja)
Inventor
Shunichi Nishimura
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 JP282676A priority Critical patent/JPS5286508A/en
Publication of JPS5286508A publication Critical patent/JPS5286508A/en
Pending legal-status Critical Current

Links

Landscapes

  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

PURPOSE: To obtain a shaft seal for a Westco pump adapted to reduce the air residence time in a seal box and avoid the intrusion of impurities.
COPYRIGHT: (C)1977,JPO&Japio
JP282676A 1976-01-14 1976-01-14 Pump device Pending JPS5286508A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP282676A JPS5286508A (en) 1976-01-14 1976-01-14 Pump device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP282676A JPS5286508A (en) 1976-01-14 1976-01-14 Pump device

Publications (1)

Publication Number Publication Date
JPS5286508A true JPS5286508A (en) 1977-07-19

Family

ID=11540208

Family Applications (1)

Application Number Title Priority Date Filing Date
JP282676A Pending JPS5286508A (en) 1976-01-14 1976-01-14 Pump device

Country Status (1)

Country Link
JP (1) JPS5286508A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012087658A (en) * 2010-10-19 2012-05-10 Hitachi Appliances Inc Vortex flow type pump device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012087658A (en) * 2010-10-19 2012-05-10 Hitachi Appliances Inc Vortex flow type pump device

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