JPH0714841Y2 - 温度補正付き差圧インジケータ - Google Patents

温度補正付き差圧インジケータ

Info

Publication number
JPH0714841Y2
JPH0714841Y2 JP1989131285U JP13128589U JPH0714841Y2 JP H0714841 Y2 JPH0714841 Y2 JP H0714841Y2 JP 1989131285 U JP1989131285 U JP 1989131285U JP 13128589 U JP13128589 U JP 13128589U JP H0714841 Y2 JPH0714841 Y2 JP H0714841Y2
Authority
JP
Japan
Prior art keywords
spool
spring
contact
differential pressure
terminal portion
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.)
Expired - Lifetime
Application number
JP1989131285U
Other languages
English (en)
Japanese (ja)
Other versions
JPH0370338U (en]
Inventor
謙祐 吉井
Original Assignee
和興産業株式会社
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 和興産業株式会社 filed Critical 和興産業株式会社
Priority to JP1989131285U priority Critical patent/JPH0714841Y2/ja
Priority to US07/609,178 priority patent/US5081448A/en
Publication of JPH0370338U publication Critical patent/JPH0370338U/ja
Application granted granted Critical
Publication of JPH0714841Y2 publication Critical patent/JPH0714841Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H01H35/26—Details
    • H01H35/28—Compensation for variation of ambient pressure or temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
    • B01D35/14—Safety devices specially adapted for filtration; Devices for indicating clogging
    • B01D35/143—Filter condition indicators
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/18—Status alarms
    • G08B21/182—Level alarms, e.g. alarms responsive to variables exceeding a threshold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H61/00—Electrothermal relays
    • H01H61/01—Details
    • H01H61/0107—Details making use of shape memory materials
    • H01H2061/0115—Shape memory alloy [SMA] actuator formed by coil spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H37/00—Thermally-actuated switches
    • H01H37/02—Details
    • H01H37/32—Thermally-sensitive members
    • H01H37/323—Thermally-sensitive members making use of shape memory materials

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Filtration Of Liquid (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
JP1989131285U 1989-11-10 1989-11-10 温度補正付き差圧インジケータ Expired - Lifetime JPH0714841Y2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP1989131285U JPH0714841Y2 (ja) 1989-11-10 1989-11-10 温度補正付き差圧インジケータ
US07/609,178 US5081448A (en) 1989-11-10 1990-11-05 Differential pressure indicator with temperature compensation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989131285U JPH0714841Y2 (ja) 1989-11-10 1989-11-10 温度補正付き差圧インジケータ

Publications (2)

Publication Number Publication Date
JPH0370338U JPH0370338U (en]) 1991-07-15
JPH0714841Y2 true JPH0714841Y2 (ja) 1995-04-10

Family

ID=15054380

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989131285U Expired - Lifetime JPH0714841Y2 (ja) 1989-11-10 1989-11-10 温度補正付き差圧インジケータ

Country Status (2)

Country Link
US (1) US5081448A (en])
JP (1) JPH0714841Y2 (en])

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0019278D0 (en) * 2000-08-04 2000-09-27 Risbridger Limited Oil filter
WO2002074847A1 (en) * 2001-03-20 2002-09-26 Ciba Speciality Chemicals Holding Inc. Flame retardant compositions
US7644632B2 (en) * 2005-01-15 2010-01-12 Best John W Viscometric flowmeter
CN112797098A (zh) * 2021-01-28 2021-05-14 新乡市振航机电有限公司 一种利用液体金属控制温度的压差发讯器
CN115326168A (zh) * 2022-08-16 2022-11-11 四川泛华航空仪表电器有限公司 一种带温度补偿的热敏电阻式液位信号器电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3239622A (en) * 1963-08-09 1966-03-08 Gen Motors Corp Oil flow switch having pivoted cupshaped actuator
SU718788A1 (ru) * 1978-03-27 1980-02-29 Предприятие П/Я А-7393 Сигнализатор потока жмдкости
JPS6124634U (ja) * 1984-07-18 1986-02-14 東京瓦斯株式会社 圧力計の温度補正機構
JPS6199030U (en]) * 1984-12-04 1986-06-25
JPS63218833A (ja) * 1987-03-09 1988-09-12 Fuji Heavy Ind Ltd タイヤ内温度警報兼用タイヤ空気圧センサ
JPH07111988B2 (ja) * 1987-07-03 1995-11-29 東京エレクトロン株式会社 ウエハプロ−バ
JPH0530116Y2 (en]) * 1987-07-10 1993-08-02

Also Published As

Publication number Publication date
JPH0370338U (en]) 1991-07-15
US5081448A (en) 1992-01-14

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