CA996237A - Control circuit for preventing rapid recycling in automatic systems - Google Patents

Control circuit for preventing rapid recycling in automatic systems

Info

Publication number
CA996237A
CA996237A CA170,152A CA170152A CA996237A CA 996237 A CA996237 A CA 996237A CA 170152 A CA170152 A CA 170152A CA 996237 A CA996237 A CA 996237A
Authority
CA
Canada
Prior art keywords
control circuit
automatic systems
preventing rapid
rapid recycling
recycling
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
CA170,152A
Other versions
CA170152S (en
Inventor
Daniel J. Connelly
James A. Rudy
George H. Reuter
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.)
MELCHIOR ARMSTRONG DESSAU
Original Assignee
MELCHIOR ARMSTRONG DESSAU
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 MELCHIOR ARMSTRONG DESSAU filed Critical MELCHIOR ARMSTRONG DESSAU
Application granted granted Critical
Publication of CA996237A publication Critical patent/CA996237A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B49/00—Arrangement or mounting of control or safety devices
    • F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/28—Modifications for introducing a time delay before switching
    • H03K17/292—Modifications for introducing a time delay before switching in thyristor, unijunction transistor or programmable unijunction transistor switches
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K3/00—Circuits for generating electric pulses; Monostable, bistable or multistable circuits
    • H03K3/02—Generators characterised by the type of circuit or by the means used for producing pulses
    • H03K3/35—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region
    • H03K3/352—Generators characterised by the type of circuit or by the means used for producing pulses by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region the devices being thyristors
    • H03K3/3525—Anode gate thyristors or programmable unijunction transistors

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Conditioning Control Device (AREA)
CA170,152A 1972-08-02 1973-05-01 Control circuit for preventing rapid recycling in automatic systems Expired CA996237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00277156A US3817052A (en) 1972-08-02 1972-08-02 Control circuit for preventing rapid recycling in automatic systems

Publications (1)

Publication Number Publication Date
CA996237A true CA996237A (en) 1976-08-31

Family

ID=23059639

Family Applications (1)

Application Number Title Priority Date Filing Date
CA170,152A Expired CA996237A (en) 1972-08-02 1973-05-01 Control circuit for preventing rapid recycling in automatic systems

Country Status (2)

Country Link
US (1) US3817052A (en)
CA (1) CA996237A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4027171A (en) * 1975-08-13 1977-05-31 Joe B. Browder Power demand limiting system
JPS6048638B2 (en) * 1976-11-29 1985-10-28 株式会社日立製作所 Air conditioner compressor control circuit
US4268884A (en) * 1979-05-07 1981-05-19 Amf Incorporated Current sensing circuit
US4415943A (en) * 1982-04-21 1983-11-15 Tii Industries, Inc. Equipment protector and energy saving apparatus
IL85537A0 (en) * 1987-02-25 1988-08-31 Prestcold Ltd Refrigeration systems
US5809793A (en) * 1996-12-12 1998-09-22 Ssac Inc. Timer circuit for heating or air conditioner unit
US6893227B2 (en) * 2002-03-21 2005-05-17 Kendro Laboratory Products, Inc. Device for prevention of backward operation of scroll compressors
KR100471442B1 (en) * 2002-07-03 2005-03-08 엘지전자 주식회사 Control Method of air-conditioner using multi-compressors
US7032397B1 (en) * 2003-09-09 2006-04-25 Emerson Electric Co. Thermostat for use with compressor health indicator

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3537272A (en) * 1968-08-22 1970-11-03 Hall Thermotank Intern Ltd Expansion valve control including plural sensors
US3513662A (en) * 1968-11-12 1970-05-26 Armour & Co Feedback control system for sequencing motors
US3636369A (en) * 1970-04-23 1972-01-18 American Standard Inc Refrigerant compressor control-relay to control two time delays
US3721880A (en) * 1971-10-12 1973-03-20 Carrier Corp Refrigerant compressor motor control

Also Published As

Publication number Publication date
US3817052A (en) 1974-06-18

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