FR1442348A - Interrupteur électrique sensible à la pression - Google Patents

Interrupteur électrique sensible à la pression

Info

Publication number
FR1442348A
FR1442348A FR8463A FR8463A FR1442348A FR 1442348 A FR1442348 A FR 1442348A FR 8463 A FR8463 A FR 8463A FR 8463 A FR8463 A FR 8463A FR 1442348 A FR1442348 A FR 1442348A
Authority
FR
France
Prior art keywords
pressure sensitive
electrical switch
sensitive electrical
switch
pressure
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
Application number
FR8463A
Other languages
English (en)
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.)
MALLORY TIMERS CONTINENT
Original Assignee
MALLORY TIMERS CONTINENT
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 MALLORY TIMERS CONTINENT filed Critical MALLORY TIMERS CONTINENT
Application granted granted Critical
Publication of FR1442348A publication Critical patent/FR1442348A/fr
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/087—Water level measuring or regulating devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
    • G01F23/14—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measurement of pressure
    • G01F23/16—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid
    • G01F23/161—Indicating, recording, or alarm devices being actuated by mechanical or fluid means, e.g. using gas, mercury, or a diaphragm as transmitting element, or by a column of liquid for discrete levels
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
    • G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
    • G01L9/0057—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of potentiometers
    • 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
    • H01H35/2607—Means for adjustment of "ON" or "OFF" operating pressure
    • H01H35/2614—Means for adjustment of "ON" or "OFF" operating pressure by varying the bias on the pressure sensitive element
    • 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
    • H01H35/30—Means for transmitting pressure to pressure-responsive operating part, e.g. by capsule and capillary tube
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7287—Liquid level responsive or maintaining systems
    • Y10T137/729—Washing machine cycle control

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Measuring Fluid Pressure (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
FR8463A 1964-03-16 1965-03-09 Interrupteur électrique sensible à la pression Expired FR1442348A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US352028A US3225595A (en) 1964-03-16 1964-03-16 Fluid depth measuring apparatus

Publications (1)

Publication Number Publication Date
FR1442348A true FR1442348A (fr) 1966-06-17

Family

ID=23383496

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8463A Expired FR1442348A (fr) 1964-03-16 1965-03-09 Interrupteur électrique sensible à la pression

Country Status (3)

Country Link
US (1) US3225595A (fr)
FR (1) FR1442348A (fr)
GB (1) GB1083875A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3340373A (en) * 1965-06-08 1967-09-05 Robertshaw Controls Co Water level switch with transverse knob shaft, and the like
US3478589A (en) * 1965-10-11 1969-11-18 Rc 95 Inc Dielectric variable capacitor
US3846907A (en) * 1970-12-18 1974-11-12 B Ivanovic Continuous guidance method and apparatus for installing dip devices on circuit boards
US3721790A (en) * 1971-05-10 1973-03-20 Westinghouse Electric Corp Contact-pressure linkage for a circuit interrupter of the torsion-spring type
EP0017453A1 (fr) * 1979-04-02 1980-10-15 Eaton Corporation Appareil de lavage et moyens de détection du niveau du liquide y destinés
US5231508A (en) * 1989-03-21 1993-07-27 Murphy Jr Frank W Hall effect gauge with magnetically-sensitive variable-resistance element
US5040420A (en) * 1989-03-21 1991-08-20 Murphy Management, Inc. Pressure responsive sending unit

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1255034A (en) * 1916-07-29 1918-01-29 Archibald O Mason Automatic sounding device.
US2286717A (en) * 1940-12-04 1942-06-16 Gen Motors Corp Electric oil pressure gauge
US2592314A (en) * 1948-01-31 1952-04-08 Westinghouse Electric Corp Cleaning apparatus
US2593473A (en) * 1948-02-06 1952-04-22 Jr John Rowland Mcknight Electrically operated liquid level indicator
US2825780A (en) * 1955-07-15 1958-03-04 Controls Co Of America Snap action switch
GB784729A (en) * 1955-08-18 1957-10-16 Aro Equipment Corp Improvements in or relating to liquid level indicating system
US3001042A (en) * 1959-08-03 1961-09-19 Cherry Electrical Prod Snap-action switch

Also Published As

Publication number Publication date
US3225595A (en) 1965-12-28
GB1083875A (en) 1967-09-20

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