FR1505636A - Appareil de protection pour un dispositif de refroidissement à air forcé - Google Patents

Appareil de protection pour un dispositif de refroidissement à air forcé

Info

Publication number
FR1505636A
FR1505636A FR83937A FR83937A FR1505636A FR 1505636 A FR1505636 A FR 1505636A FR 83937 A FR83937 A FR 83937A FR 83937 A FR83937 A FR 83937A FR 1505636 A FR1505636 A FR 1505636A
Authority
FR
France
Prior art keywords
air cooling
forced air
cooling device
protective device
protective
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
FR83937A
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.)
Texas Instruments Inc
Original Assignee
Texas Instruments Inc
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 Texas Instruments Inc filed Critical Texas Instruments Inc
Application granted granted Critical
Publication of FR1505636A publication Critical patent/FR1505636A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/08—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays
    • H02H5/086—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal fluid pressure, liquid level or liquid displacement, e.g. Buchholz relays of cooling or lubricating fluids
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
    • G03B21/00—Projectors or projection-type viewers; Accessories therefor
    • G03B21/14—Details
    • G03B21/16—Cooling; Preventing overheating
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/04—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material having negative temperature coefficient

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Fluid Mechanics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Projection Apparatus (AREA)
  • Control Of Temperature (AREA)
FR83937A 1965-12-06 1966-11-17 Appareil de protection pour un dispositif de refroidissement à air forcé Expired FR1505636A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US511601A US3418531A (en) 1965-12-06 1965-12-06 Protective apparatus for a forced air cooling system

Publications (1)

Publication Number Publication Date
FR1505636A true FR1505636A (fr) 1967-12-15

Family

ID=24035617

Family Applications (1)

Application Number Title Priority Date Filing Date
FR83937A Expired FR1505636A (fr) 1965-12-06 1966-11-17 Appareil de protection pour un dispositif de refroidissement à air forcé

Country Status (5)

Country Link
US (1) US3418531A (fr)
JP (1) JPS432642B1 (fr)
DE (1) DE1497613A1 (fr)
FR (1) FR1505636A (fr)
GB (1) GB1136296A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027361A1 (fr) * 1979-10-11 1981-04-22 Olympus Optical Co., Ltd. Source de lumière pour endoscope

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3911325A (en) * 1973-01-08 1975-10-07 Micro Devices Corp Means and method for protecting an overheating communication unit
US4408244A (en) * 1978-06-08 1983-10-04 Suddeutsche Kuhlerfabrik Julius Fr. Behr Gmbh & Co. Kg Circuit safe against overload for varying the amount of power to an electric blower motor
US4305259A (en) * 1980-04-03 1981-12-15 Eaton Corporation Frost sensor employing self-heating thermistor as sensor element
DE3629771A1 (de) * 1986-09-02 1988-03-03 Demolux Overhead-projektor
DE3822849A1 (de) * 1988-07-06 1990-01-11 Josef Weber Anordnung zum verhindern einer ueberhitzung von stehbildprojektoren
US11187720B2 (en) * 2017-06-16 2021-11-30 Tektronix, Inc. Test and measurement devices, systems, and methods associated with augmented reality
US11656280B2 (en) * 2018-05-31 2023-05-23 Abb Schweiz Ag Device for condition monitoring and protection of rotating electrical machines, and a method thereof

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB483039A (en) * 1937-10-06 1938-04-06 Walter Stern Improved electric space heating system
US2475343A (en) * 1946-08-17 1949-07-05 Gen Electric Control system
US3017564A (en) * 1954-08-12 1962-01-16 Barney Walter Protective circuit
US3112435A (en) * 1962-01-15 1963-11-26 Barney Walter Surge protection circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0027361A1 (fr) * 1979-10-11 1981-04-22 Olympus Optical Co., Ltd. Source de lumière pour endoscope

Also Published As

Publication number Publication date
DE1497613A1 (de) 1969-10-30
GB1136296A (en) 1968-12-11
JPS432642B1 (fr) 1968-01-30
US3418531A (en) 1968-12-24

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