JPS5436453A - Pressure alarm device - Google Patents
Pressure alarm deviceInfo
- 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
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
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)
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 |
-
1977
- 1977-08-29 JP JP10386277A patent/JPS5436453A/en active Pending
Cited By (7)
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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