AU471560B2 - Liquid level protection system for refrigeration compressor - Google Patents

Liquid level protection system for refrigeration compressor

Info

Publication number
AU471560B2
AU471560B2 AU52727/73A AU5272773A AU471560B2 AU 471560 B2 AU471560 B2 AU 471560B2 AU 52727/73 A AU52727/73 A AU 52727/73A AU 5272773 A AU5272773 A AU 5272773A AU 471560 B2 AU471560 B2 AU 471560B2
Authority
AU
Australia
Prior art keywords
liquid level
protection system
refrigeration compressor
level protection
refrigeration
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
AU52727/73A
Other versions
AU5272773A (en
Inventor
King Norbeck Dean
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.)
Borg Warner Corp
Original Assignee
Borg Warner Corp
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 Borg Warner Corp filed Critical Borg Warner Corp
Publication of AU5272773A publication Critical patent/AU5272773A/en
Application granted granted Critical
Publication of AU471560B2 publication Critical patent/AU471560B2/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
    • F25B49/022—Compressor control arrangements
    • 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
    • F25B49/005—Arrangement or mounting of control or safety devices of safety 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
    • G01F23/22—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
    • G01F23/24—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
    • G01F23/246—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices
    • G01F23/247—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 measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid thermal devices for discrete levels
    • 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
    • F25B2700/00—Sensing or detecting of parameters; Sensors therefor
    • F25B2700/04—Refrigerant level

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Compressor (AREA)
  • Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
AU52727/73A 1972-03-15 1973-02-28 Liquid level protection system for refrigeration compressor Expired AU471560B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23482272A 1972-03-15 1972-03-15
USUS234,822 1972-03-15

Publications (2)

Publication Number Publication Date
AU5272773A AU5272773A (en) 1974-08-29
AU471560B2 true AU471560B2 (en) 1976-04-29

Family

ID=22882972

Family Applications (1)

Application Number Title Priority Date Filing Date
AU52727/73A Expired AU471560B2 (en) 1972-03-15 1973-02-28 Liquid level protection system for refrigeration compressor

Country Status (8)

Country Link
US (1) US3744267A (en)
JP (1) JPS5330364B2 (en)
AU (1) AU471560B2 (en)
CA (1) CA972855A (en)
DE (1) DE2311821C3 (en)
FR (1) FR2176125B1 (en)
GB (1) GB1389767A (en)
IT (1) IT981377B (en)

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004431A (en) * 1975-05-22 1977-01-25 The Johnson Corporation Control for cooling unit
US4090371A (en) * 1975-11-24 1978-05-23 Technological Enterprises Corp. Monitor and control for refrigeration system
DE2639019C3 (en) * 1976-08-30 1981-09-03 Danfoss A/S, 6430 Nordborg Chiller
US4220041A (en) 1977-04-07 1980-09-02 Potter Bronson M Alien liquid detector and control
US4285207A (en) * 1978-07-31 1981-08-25 Diesel Kiki Company, Ltd. Air conditioning apparatus comprising refrigerant shortage sensor
JPH0539414Y2 (en) * 1985-02-25 1993-10-06
FR2618537B1 (en) * 1987-07-24 1989-09-15 Unite Hermetique Sa HERMETIC MOTOR COMPRESSOR WITH IMPROVED SECURITY
US5062277A (en) * 1990-10-29 1991-11-05 Carrier Corporation Combined oil heater and level sensor
JP2952839B2 (en) * 1991-08-29 1999-09-27 株式会社ゼクセル Startup control device for compressor
WO1994017346A1 (en) * 1993-01-19 1994-08-04 Parker-Hannifin Corporation System for controlling flow of working fluids
US5335513A (en) * 1993-01-19 1994-08-09 Parker-Hannifin Corporation Apparatus and method for detecting characteristics of a working fluid
EP0680590B1 (en) * 1993-01-19 1999-03-24 Parker Hannifin Corporation Conditioning sensing system for controlling working fluids
US5289692A (en) * 1993-01-19 1994-03-01 Parker-Hannifin Corporation Apparatus and method for mass flow control of a working fluid
US5884494A (en) * 1997-09-05 1999-03-23 American Standard Inc. Oil flow protection scheme
US6091218A (en) * 1998-11-04 2000-07-18 Ritch; Harold D. Energy conservation circuit and method for use with multi-phase motors used to power a variable load
US6460354B2 (en) 2000-11-30 2002-10-08 Parker-Hannifin Corporation Method and apparatus for detecting low refrigerant charge
US20080000246A1 (en) * 2006-06-28 2008-01-03 Computime, Ltd. Conveying Temperature Information in a Controlled Variable Speed Heating, Ventilation, and Air Conditioning (HVAC) System
US7874724B2 (en) * 2007-04-11 2011-01-25 Trane International Inc. Method for sensing the liquid level in a compressor
US9181939B2 (en) * 2012-11-16 2015-11-10 Emerson Climate Technologies, Inc. Compressor crankcase heating control systems and methods
US9341187B2 (en) 2013-08-30 2016-05-17 Emerson Climate Technologies, Inc. Compressor assembly with liquid sensor
US9353738B2 (en) 2013-09-19 2016-05-31 Emerson Climate Technologies, Inc. Compressor crankcase heating control systems and methods
WO2016071947A1 (en) * 2014-11-04 2016-05-12 三菱電機株式会社 Refrigeration cycle device and abnormality detection system for refrigeration cycle device
WO2016113903A1 (en) * 2015-01-16 2016-07-21 三菱電機株式会社 Compressor
US10125768B2 (en) 2015-04-29 2018-11-13 Emerson Climate Technologies, Inc. Compressor having oil-level sensing system
CN114034140A (en) * 2021-11-29 2022-02-11 四川虹美智能科技有限公司 Defrosting method and device

Also Published As

Publication number Publication date
GB1389767A (en) 1975-04-09
JPS5330364B2 (en) 1978-08-26
FR2176125A1 (en) 1973-10-26
DE2311821B2 (en) 1979-01-11
CA972855A (en) 1975-08-12
DE2311821C3 (en) 1979-09-13
AU5272773A (en) 1974-08-29
US3744267A (en) 1973-07-10
IT981377B (en) 1974-10-10
FR2176125B1 (en) 1975-10-31
DE2311821A1 (en) 1973-10-04
JPS48102307A (en) 1973-12-22

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