JPS534948A - Low noise hydraulic power unit for hydraulic elevator - Google Patents

Low noise hydraulic power unit for hydraulic elevator

Info

Publication number
JPS534948A
JPS534948A JP7556877A JP7556877A JPS534948A JP S534948 A JPS534948 A JP S534948A JP 7556877 A JP7556877 A JP 7556877A JP 7556877 A JP7556877 A JP 7556877A JP S534948 A JPS534948 A JP S534948A
Authority
JP
Japan
Prior art keywords
hydraulic
power unit
low noise
elevator
hydraulic power
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.)
Granted
Application number
JP7556877A
Other languages
Japanese (ja)
Other versions
JPS5819881B2 (en
Inventor
Fujitsugu Ina
Yasuo Kido
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 JP52075568A priority Critical patent/JPS5819881B2/en
Publication of JPS534948A publication Critical patent/JPS534948A/en
Publication of JPS5819881B2 publication Critical patent/JPS5819881B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Types And Forms Of Lifts (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Joints Allowing Movement (AREA)

Abstract

PURPOSE: To prevent a vibration from transmission and a cavitation from occuring in a pipe, which connects a tank to a pump through vibration-preventing films, each made of an elastic material.
COPYRIGHT: (C)1978,JPO&Japio
JP52075568A 1977-06-27 1977-06-27 Low noise hydraulic power unit for hydraulic elevators Expired JPS5819881B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP52075568A JPS5819881B2 (en) 1977-06-27 1977-06-27 Low noise hydraulic power unit for hydraulic elevators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52075568A JPS5819881B2 (en) 1977-06-27 1977-06-27 Low noise hydraulic power unit for hydraulic elevators

Publications (2)

Publication Number Publication Date
JPS534948A true JPS534948A (en) 1978-01-18
JPS5819881B2 JPS5819881B2 (en) 1983-04-20

Family

ID=13579904

Family Applications (1)

Application Number Title Priority Date Filing Date
JP52075568A Expired JPS5819881B2 (en) 1977-06-27 1977-06-27 Low noise hydraulic power unit for hydraulic elevators

Country Status (1)

Country Link
JP (1) JPS5819881B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63143796U (en) * 1987-03-13 1988-09-21

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48106516U (en) * 1972-03-11 1973-12-11
JPS4926115U (en) * 1972-06-05 1974-03-06

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS48106516U (en) * 1972-03-11 1973-12-11
JPS4926115U (en) * 1972-06-05 1974-03-06

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63143796U (en) * 1987-03-13 1988-09-21

Also Published As

Publication number Publication date
JPS5819881B2 (en) 1983-04-20

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