CA972855A - Liquid level protection system for refrigeration compressor - Google Patents

Liquid level protection system for refrigeration compressor

Info

Publication number: CA972855A
Authority: CA; Canada
Prior art keywords: liquid level; protection system; refrigeration compressor; level protection; refrigeration
Prior art date: 1972-03-15
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

CA164,300A

Other versions

CA164300S (en

Inventor

Dean K. Norbeck

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.)

1972-03-15

Filing date

1973-02-21

Publication date

1975-08-12

1973-02-21 Application filed by Borg Warner Corp filed Critical Borg Warner Corp

1975-08-12 Application granted granted Critical

1975-08-12 Publication of CA972855A publication Critical patent/CA972855A/en

Status Expired legal-status Critical Current

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)

CA164,300A 1972-03-15 1973-02-21 Liquid level protection system for refrigeration compressor Expired CA972855A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US23482272A	1972-03-15	1972-03-15

Publications (1)

Publication Number	Publication Date
CA972855A true CA972855A (en)	1975-08-12

Family

ID=22882972

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA164,300A Expired CA972855A (en)	1972-03-15	1973-02-21	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
EP0680590B1 (en) *	1993-01-19	1999-03-24	Parker Hannifin Corporation	Conditioning sensing system for controlling working fluids
US5335513A (en) *	1993-01-19	1994-08-09	Parker-Hannifin Corporation	Apparatus and method for detecting characteristics of a working fluid
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
US10161661B2 (en) *	2014-11-04	2018-12-25	Mitsubishi Electric Corporation	Refrigeration cycle apparatus, and abnormality detection system for refrigeration cycle apparatus
EP3246571B1 (en) *	2015-01-16	2020-12-23	Mitsubishi Electric Corporation	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

1972
- 1972-03-15 US US00234822A patent/US3744267A/en not_active Expired - Lifetime
1973
- 1973-02-21 CA CA164,300A patent/CA972855A/en not_active Expired
- 1973-02-26 GB GB932073A patent/GB1389767A/en not_active Expired
- 1973-02-28 JP JP2340273A patent/JPS5330364B2/ja not_active Expired
- 1973-02-28 AU AU52727/73A patent/AU471560B2/en not_active Expired
- 1973-03-09 DE DE2311821A patent/DE2311821C3/en not_active Expired
- 1973-03-13 IT IT21571/73A patent/IT981377B/en active
- 1973-03-15 FR FR7309390A patent/FR2176125B1/fr not_active Expired

Also Published As

Publication number	Publication date
IT981377B (en)	1974-10-10
DE2311821A1 (en)	1973-10-04
DE2311821C3 (en)	1979-09-13
DE2311821B2 (en)	1979-01-11
FR2176125A1 (en)	1973-10-26
AU5272773A (en)	1974-08-29
FR2176125B1 (en)	1975-10-31
JPS5330364B2 (en)	1978-08-26
US3744267A (en)	1973-07-10
GB1389767A (en)	1975-04-09
JPS48102307A (en)	1973-12-22
AU471560B2 (en)	1976-04-29

Publication	Publication Date	Title
AU471560B2 (en)	1976-04-29	Liquid level protection system for refrigeration compressor
CA971765A (en)	1975-07-29	Multiple compressor refrigeration system
AU1459670A (en)	1971-11-11	Receiver-separator unit for liquid injected gas compressor
CA989376A (en)	1976-05-18	Display systems
CA991427A (en)	1976-06-22	Spray refrigeration system for low temperature-sensitive product
CA988185A (en)	1976-04-27	Protective device for refrigeration compressors
CA991425A (en)	1976-06-22	Compressor lubrication system
CA939159A (en)	1974-01-01	Refrigeration unit
CA985272A (en)	1976-03-09	Cooling system
AU1872670A (en)	1972-02-17	Refrigeration system
CA895071A (en)	1972-03-14	Refrigeration system
CA813593A (en)	1969-05-27	Refrigeration unit
CA912679A (en)	1972-10-17	Icemaker protection system
CA895557A (en)	1972-03-14	Low liquid level warning system
AU480337B2 (en)	1974-10-17	Refrigerant flowin cooling system
CA916601A (en)	1972-12-12	Receiver-separator unit for liquid injected gas compressor
CA813590A (en)	1969-05-27	Refrigeration system
CA819380A (en)	1969-08-05	Refrigeration system
CA805380A (en)	1969-02-04	Refrigeration system
CA825391A (en)	1969-10-21	Refrigeration system
CA811390A (en)	1969-04-29	Refrigeration system
CA812578A (en)	1969-05-13	Receiver-separator unit for liquid-injected compressor
CA904036A (en)	1972-07-04	Refrigerating equipment
CA909636A (en)	1972-09-12	Fluid cooling system
CA819387A (en)	1969-08-05	Refrigeration system starting