JPS5436453A - Pressure alarm device - Google Patents

Pressure alarm device

Info

Publication number
JPS5436453A
JPS5436453A JP10386277A JP10386277A JPS5436453A JP S5436453 A JPS5436453 A JP S5436453A JP 10386277 A JP10386277 A JP 10386277A JP 10386277 A JP10386277 A JP 10386277A JP S5436453 A JPS5436453 A JP S5436453A
Authority
JP
Japan
Prior art keywords
alarm device
pressure alarm
output
logic circuit
converter
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
JP10386277A
Other languages
Japanese (ja)
Inventor
Masakatsu Kido
Ryuji Okubo
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP10386277A priority Critical patent/JPS5436453A/en
Publication of JPS5436453A publication Critical patent/JPS5436453A/en
Pending legal-status Critical Current

Links

Landscapes

  • Fluid-Pressure Circuits (AREA)
  • Control Of Positive-Displacement Pumps (AREA)

Abstract

PURPOSE: To discriminate and warn only abnormalities and prevent the confusion of an operator, by discriminating a pressure detection signal and a run signal of a prime mover through a logic circuit and applying the output of the logic circuit to an alarm signal converter and indicating the output of the converter.
COPYRIGHT: (C)1979,JPO&Japio
JP10386277A 1977-08-29 1977-08-29 Pressure alarm device Pending JPS5436453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP10386277A JPS5436453A (en) 1977-08-29 1977-08-29 Pressure alarm device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10386277A JPS5436453A (en) 1977-08-29 1977-08-29 Pressure alarm device

Publications (1)

Publication Number Publication Date
JPS5436453A true JPS5436453A (en) 1979-03-17

Family

ID=14365250

Family Applications (1)

Application Number Title Priority Date Filing Date
JP10386277A Pending JPS5436453A (en) 1977-08-29 1977-08-29 Pressure alarm device

Country Status (1)

Country Link
JP (1) JPS5436453A (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950208A (en) * 1982-09-17 1984-03-23 Tadano Tekkosho:Kk Device for generating emergency signal showing stopped condition in hydraulic cylinder
JPS5950209A (en) * 1982-09-17 1984-03-23 Tadano Tekkosho:Kk Device for generating emergency signal showing stopped condition in hydraulic cylinder
US4525125A (en) * 1982-12-10 1985-06-25 Mitsubishi Denki Kabushiki Kaisha Pressure responsive pump control system having an alarm lamp
US4549853A (en) * 1984-04-02 1985-10-29 Olin Corporation Positive displacement pump output monitor
KR19980086021A (en) * 1997-05-30 1998-12-05 토니헬샴 Malfunction prevention device of hydraulic construction machine

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5950208A (en) * 1982-09-17 1984-03-23 Tadano Tekkosho:Kk Device for generating emergency signal showing stopped condition in hydraulic cylinder
JPS5950209A (en) * 1982-09-17 1984-03-23 Tadano Tekkosho:Kk Device for generating emergency signal showing stopped condition in hydraulic cylinder
JPH0326282B2 (en) * 1982-09-17 1991-04-10 Tadano Kk
JPH0326283B2 (en) * 1982-09-17 1991-04-10 Tadano Kk
US4525125A (en) * 1982-12-10 1985-06-25 Mitsubishi Denki Kabushiki Kaisha Pressure responsive pump control system having an alarm lamp
US4549853A (en) * 1984-04-02 1985-10-29 Olin Corporation Positive displacement pump output monitor
KR19980086021A (en) * 1997-05-30 1998-12-05 토니헬샴 Malfunction prevention device of hydraulic construction machine

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