JPS5241338A - Hydraulic elevator - Google Patents

Hydraulic elevator

Info

Publication number
JPS5241338A
JPS5241338A JP50116481A JP11648175A JPS5241338A JP S5241338 A JPS5241338 A JP S5241338A JP 50116481 A JP50116481 A JP 50116481A JP 11648175 A JP11648175 A JP 11648175A JP S5241338 A JPS5241338 A JP S5241338A
Authority
JP
Japan
Prior art keywords
hydraulic elevator
pump
time
changeover valve
elevator
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
JP50116481A
Other languages
Japanese (ja)
Other versions
JPS6013954B2 (en
Inventor
Mitsuaki Takenoshita
Hiroshi Goko
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 JP50116481A priority Critical patent/JPS6013954B2/en
Publication of JPS5241338A publication Critical patent/JPS5241338A/en
Publication of JPS6013954B2 publication Critical patent/JPS6013954B2/en
Expired legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Types And Forms Of Lifts (AREA)
  • Elevator Control (AREA)

Abstract

PURPOSE: To provide a hydraulic elevator including a changeover valve between the pump and cylinder, in which at the time of downward movement of elevator the changeover valve is opened to accelerate the pump by load pressure and subsequently motor is started, whereby abrupt downfall of cage at the time of acceleration and shocks due to the same are avoided.
COPYRIGHT: (C)1977,JPO&Japio
JP50116481A 1975-09-29 1975-09-29 hydraulic elevator Expired JPS6013954B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50116481A JPS6013954B2 (en) 1975-09-29 1975-09-29 hydraulic elevator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50116481A JPS6013954B2 (en) 1975-09-29 1975-09-29 hydraulic elevator

Publications (2)

Publication Number Publication Date
JPS5241338A true JPS5241338A (en) 1977-03-30
JPS6013954B2 JPS6013954B2 (en) 1985-04-10

Family

ID=14688167

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50116481A Expired JPS6013954B2 (en) 1975-09-29 1975-09-29 hydraulic elevator

Country Status (1)

Country Link
JP (1) JPS6013954B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0475981A (en) * 1990-07-18 1992-03-10 Mitsubishi Electric Corp Control device of oil-hydraulically operated elevator
JPH04313578A (en) * 1991-04-12 1992-11-05 Mitsubishi Electric Corp Control device for hydraulic elevator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0475981A (en) * 1990-07-18 1992-03-10 Mitsubishi Electric Corp Control device of oil-hydraulically operated elevator
JPH04313578A (en) * 1991-04-12 1992-11-05 Mitsubishi Electric Corp Control device for hydraulic elevator

Also Published As

Publication number Publication date
JPS6013954B2 (en) 1985-04-10

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