JPS5352873A - Oil pressure controlling circuit of negative brake unit - Google Patents

Oil pressure controlling circuit of negative brake unit

Info

Publication number
JPS5352873A
JPS5352873A JP12706076A JP12706076A JPS5352873A JP S5352873 A JPS5352873 A JP S5352873A JP 12706076 A JP12706076 A JP 12706076A JP 12706076 A JP12706076 A JP 12706076A JP S5352873 A JPS5352873 A JP S5352873A
Authority
JP
Japan
Prior art keywords
oil pressure
brake unit
controlling circuit
negative brake
pressure controlling
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
JP12706076A
Other languages
Japanese (ja)
Inventor
Yutaka Hirai
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.)
Akebono Brake Industry Co Ltd
Original Assignee
Akebono Brake Industry Co 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 Akebono Brake Industry Co Ltd filed Critical Akebono Brake Industry Co Ltd
Priority to JP12706076A priority Critical patent/JPS5352873A/en
Publication of JPS5352873A publication Critical patent/JPS5352873A/en
Pending legal-status Critical Current

Links

Landscapes

  • Braking Systems And Boosters (AREA)

Abstract

PURPOSE: An oil pressure control circuit of a double circuit type using a negative brake unit capable of improving safety of a crane etc. in plenty.
COPYRIGHT: (C)1978,JPO&Japio
JP12706076A 1976-10-22 1976-10-22 Oil pressure controlling circuit of negative brake unit Pending JPS5352873A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12706076A JPS5352873A (en) 1976-10-22 1976-10-22 Oil pressure controlling circuit of negative brake unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12706076A JPS5352873A (en) 1976-10-22 1976-10-22 Oil pressure controlling circuit of negative brake unit

Publications (1)

Publication Number Publication Date
JPS5352873A true JPS5352873A (en) 1978-05-13

Family

ID=14950589

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12706076A Pending JPS5352873A (en) 1976-10-22 1976-10-22 Oil pressure controlling circuit of negative brake unit

Country Status (1)

Country Link
JP (1) JPS5352873A (en)

Similar Documents

Publication Publication Date Title
JPS5332428A (en) Safety check circuit of combustion controlling apparatus
JPS5272073A (en) Saving energy hydraulic system
JPS5352873A (en) Oil pressure controlling circuit of negative brake unit
JPS534167A (en) Load response type regulating valve
JPS5318157A (en) Elevator safety device
JPS5226008A (en) Oil supply system
JPS5291218A (en) Safety apparatus for dump trucks
JPS5279179A (en) Oil pressure control circuit in negative type brake
JPS53137403A (en) Controller for variable-discharge hydraulic pump
JPS5352874A (en) Oil pressure control circuit of negative brake unit
JPS53120060A (en) Fluid control device
JPS52144801A (en) Auto-running device for pump
JPS535870A (en) System for controlling operation of push plate in waste-pushing
JPS52142169A (en) Liquid pressure circuit pressure circuit
JPS5285681A (en) Brake pressure control device
JPS535373A (en) Damping oil pressure controller
JPS5376261A (en) Control system for liquid pressure operation downcoiler
JPS5299548A (en) Device for controlling elevator
JPS52124583A (en) Brake oil press. control valve
JPS51143175A (en) Load responsive pressure reduction valve
JPS5422070A (en) Control valve for machine
JPS5381885A (en) Oil pressure controlling mechanism for negative brake device
JPS5439773A (en) Pressure change and speed change fluid circuit
JPS52134975A (en) Oil press. control circuit for positive brake
JPS52121254A (en) Hydraulic circuit for crane securing apparatus