JPS52101555A - Hydraulic elevator - Google Patents

Hydraulic elevator

Info

Publication number
JPS52101555A
JPS52101555A JP1591476A JP1591476A JPS52101555A JP S52101555 A JPS52101555 A JP S52101555A JP 1591476 A JP1591476 A JP 1591476A JP 1591476 A JP1591476 A JP 1591476A JP S52101555 A JPS52101555 A JP S52101555A
Authority
JP
Japan
Prior art keywords
hydraulic elevator
troubled
unit
pump
hydraulic
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
JP1591476A
Other languages
Japanese (ja)
Inventor
Mitsuaki Takenoshita
Ichiro Nakamura
Takeshi Ichiyanagi
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 JP1591476A priority Critical patent/JPS52101555A/en
Publication of JPS52101555A publication Critical patent/JPS52101555A/en
Pending legal-status Critical Current

Links

Landscapes

  • Elevator Control (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

PURPOSE: To provide a hydraulic elevator which can operate only one unit by stopping a pump unit troubled in case on pump hydraulic system is troubled by controlling two-stage speed control system with two pumps.
COPYRIGHT: (C)1977,JPO&Japio
JP1591476A 1976-02-18 1976-02-18 Hydraulic elevator Pending JPS52101555A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1591476A JPS52101555A (en) 1976-02-18 1976-02-18 Hydraulic elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1591476A JPS52101555A (en) 1976-02-18 1976-02-18 Hydraulic elevator

Publications (1)

Publication Number Publication Date
JPS52101555A true JPS52101555A (en) 1977-08-25

Family

ID=11902034

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1591476A Pending JPS52101555A (en) 1976-02-18 1976-02-18 Hydraulic elevator

Country Status (1)

Country Link
JP (1) JPS52101555A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57165647U (en) * 1981-04-09 1982-10-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57165647U (en) * 1981-04-09 1982-10-19

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