US3796064A - Suction accumulator - Google Patents

Suction accumulator Download PDF

Info

Publication number
US3796064A
US3796064A US00307857A US3796064DA US3796064A US 3796064 A US3796064 A US 3796064A US 00307857 A US00307857 A US 00307857A US 3796064D A US3796064D A US 3796064DA US 3796064 A US3796064 A US 3796064A
Authority
US
United States
Prior art keywords
conduit
casing
suction
baffle
opening
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 - Lifetime
Application number
US00307857A
Inventor
W Ladusaw
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.)
General Electric Co
Original Assignee
General Electric Co
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 General Electric Co filed Critical General Electric Co
Application granted granted Critical
Publication of US3796064A publication Critical patent/US3796064A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • F25B43/00—Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • F25B43/006—Accumulators
    • 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
    • F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
    • F25B2400/02—Centrifugal separation of gas, liquid or oil

Definitions

  • a suction accumulator for a refrigeration system comprising a cylindrical casing having a trangential inlet opening in the upper portion thereof and a suction conduit extending upwardly through the bottom wall of the casing and terminating in an upper end adjacent the top of the casing above the tangential inlet.
  • the accumulator includes a baffle between the inlet opening and the upper end of the conduit, this otherwise imperforate baffle including a passage for receiving the conduit.
  • the passage has a larger cross-sectional area than the conduit and includes a plurality of spaced radially extending tabs or arms resiliently engaging the conduit to position the conduit centrally of the passage and provide flow of refrigerant through the spaces between the tabs or arms.
  • a compressor of a refrigeration system is designed primarily for gas compression. However, under some operating circumstances, liquid refrigerant may pass from the evaporator of the system through the suction line and into the inlet of the compressor. If this liquid fioodover is substantial, the compressor parts may be damaged due to the incompressibility of the liquid refrigerant with resultant high bearing loads. In addition, the liquid refrigerant may dilute the lubricant contained in the compressor casing with resultant deterioration of lubricity.
  • Suction accumulators for separating the liquid and gaseous components ofa circulating refrigerant and for feeding the liquid refrigerant to the compressor at a controlled rate are shown and described, for example,
  • An otherwise imperforate baffle between the tangential inlet opening and the suction conduit inlet end divides the interior of the casing into upper and lower sections.
  • This baffle has a central opening of a larger cross-sectional area than the conduit.
  • the upper end portion of the conduit extends through the opening and is centrally positioned therein by a plurality of arms extending radially into the opening and resiliently engaging the conduit at spaced points. The spaces between these arms provide passages for the flow of gaseous refrigerant from the lower portion of the casing to the inlet end of the suction conduit.
  • FIG. 1 is a schematic view of a refrigeration system including the accumulator of the present invention
  • FIG. 2 is a vertical sectional view of the accumulator illustrating the internal construction thereof.
  • FIG. 3 is a horizontal sectional view taken along line 3--3 of FIG. 2.
  • FIG. 1 of the accompanying drawing there is shown a refrigeration system including a compressor 1, a condenser 2, a capillary flow restrictor '3, an evaporator 4, and the suction accumulator 5 of the present invention connected in closed series flow relationship.
  • a compressor 1 low pressure refrigerant from the suction conduit 7 is compressed by the compressor and discharged through a discharge conduit 8 to the condenser 2.
  • the condensed refrigerant from the condenser 2 is metered by the capillary flow restrictor 3- in its flow to the evaporator 4 in which most of the refrigerant is vaporized.
  • the suction accumulator 5 of the present invention is connected into the system between the evaporator 4 and the compressor 1 and its primary purposes are to separate any liquid refrigerant flowing from the evaporator from the gaseous refrigerant and to meter any liquid refrigerant to the compressor at acontrolled rate such as to prevent any damage to the compressor components.
  • FIGS. 2 and 3 of the drawing The detailed construction of the accumulator 5 is shown in FIGS. 2 and 3 of the drawing. It comprises a vertically extending, cylindrical casing 10 tapering at its upper and lower ends to form a topwall 11 and a bottom'wall 12. Specifically, the bottom wall is generally funnel shaped and includes an opening 13 at the lower end thereof for receiving the standpipe end 14 of the suction conduit 7. The upper end 11 of the casing is generally hemispherical in shape and may be provided with a tubular connection 15 for use in initial evacuation of the system.
  • the refrigerant inlet conduit 16 which conveys refrigerant from the evaporator 4 to the accumulator 5 is connected generally tangentially to the cylindrical side wall 10 intermediate the upper and lower ends of the casing, this tangential connection providing, in the known manner, a centrifugal separation of liquid and gaseous refrigerant flowing through the inlet conduit 16.
  • the accumulator 5 also includes a generally impervious baffle 18 above the inlet conduit 16 which, in effect, divides the interior of the accumulator into an upper portion 19 and a lower portion 20.
  • This'baffle 18 extends across the entire cross section of the casing 10 and includes a single central opening 21 having a larger cross sectional area than the standpipe 14, this opening preferably being in axial alignment with the opening 13 at the bottom of the accumulator. As illustrated in the 25 define passages 26 for the flow of refrigerant from the lower portion 20 of the casing into the upper portion 19.
  • the tangential entrance of refrigerant into the accumulator 5 from the conduit 16 provides a centrifugal separation of any liquid refrigerant particles from the gaseous refrigerant.
  • the liquid refrigerant, plus any entrained oil or lubricant, collects in the storage volume provided by the lower portion of the accumulator.
  • a plurality of vertically spaced metering holes are provided in the conduit portion 14 for gradually returning liquid to the compressor through the suction line 7 at a rate at which the liquid can be vaporized during transfer to the compressor or handled by the compressor.
  • These centrally positioned passages 26 provide the sole communication between the lower and the upper portions of the accumulator and are of a size to permit gas flow without restriction under steady running conditions of the system but to impede the passage of refrigerant froth, oil and foam into the upper portion 19 of the accumulator or into the inlet end 24 of the suction conduit during startup of the compressor.
  • the accumulator provides effective means for separating liquid refrigerant from the gaseous refrigerant and for pre-- venting passage of damaging amounts of liquid refrigerant to the compressor under all normal and abnormal operating conditions.
  • a suction accumulator for a refrigeration system comprising:
  • a casing having a generally cylindrical side wall and top and bottom walls;
  • a suction conduit extending through said bottom wall and terminating in an inlet end adjacent said top wall;
  • a suction accumulator according to claim 1 in which said conduit included a plurality of vertically spaced holes for metering the flow of liquid refrigerant from said casing.
  • a suction accumulator according to claim, 1 in which the ends of said arms engaging said conduit are bent upwardly.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Applications Or Details Of Rotary Compressors (AREA)
  • Compressor (AREA)

Abstract

A suction accumulator for a refrigeration system comprising a cylindrical casing having a trangential inlet opening in the upper portion thereof and a suction conduit extending upwardly through the bottom wall of the casing and terminating in an upper end adjacent the top of the casing above the tangential inlet. The accumulator includes a baffle between the inlet opening and the upper end of the conduit, this otherwise imperforate baffle including a passage for receiving the conduit. The passage has a larger cross-sectional area than the conduit and includes a plurality of spaced radially extending tabs or arms resiliently engaging the conduit to position the conduit centrally of the passage and provide flow of refrigerant through the spaces between the tabs or arms.

Description

United States Patent [1 1 Ladusaw [451 Mar. 12, 1974 [73] Assignee: General Electric Company,
Louisville, Ky.
[22] Filed: Nov. 20, 1972 [2]] Appl. No.: 307,857
Primary E.raminerMeyer Perlin Attorney, Agent, or FirmWalter E. Rule; Francis H. Boos, Jr.
[ 5 7 ABSTRACT A suction accumulator for a refrigeration system comprising a cylindrical casing having a trangential inlet opening in the upper portion thereof and a suction conduit extending upwardly through the bottom wall of the casing and terminating in an upper end adjacent the top of the casing above the tangential inlet. The accumulator includes a baffle between the inlet opening and the upper end of the conduit, this otherwise imperforate baffle including a passage for receiving the conduit. The passage has a larger cross-sectional area than the conduit and includes a plurality of spaced radially extending tabs or arms resiliently engaging the conduit to position the conduit centrally of the passage and provide flow of refrigerant through the spaces between the tabs or arms.
SUCTION ACCUMULATOR BACKGROUND OF THE INVENTION A compressor of a refrigeration system is designed primarily for gas compression. However, under some operating circumstances, liquid refrigerant may pass from the evaporator of the system through the suction line and into the inlet of the compressor. If this liquid fioodover is substantial, the compressor parts may be damaged due to the incompressibility of the liquid refrigerant with resultant high bearing loads. In addition, the liquid refrigerant may dilute the lubricant contained in the compressor casing with resultant deterioration of lubricity.
In order to solve this problem, it is the usual practice to provide a suction accumulator between the evaporator and the compressor having as its primary function the passage of gaseous refrigerant to the compressor and trapping of liquid refrigerant when this liquid is present in excessive amounts. The liquid refrigerant retained by theaccumulator is metered to the compressor at a controlled rate such that damage to the compressor and its associated components is prevented.
Suction accumulators for separating the liquid and gaseous components ofa circulating refrigerant and for feeding the liquid refrigerant to the compressor at a controlled rate are shown and described, for example,
in US. Pat. Nos. -l,978,463-Kettering; 2,570,962-' McBroom; 2,813,404-Hirsch; 3,012,414-LaPorte; 3,643,466-Bottum and 3,651,657-Bottum.
It is an object of the present invention to provide an improved suction line accumulator particularly characterized by its simple and low cost construction.
SUMMARY OF THE INVENTION suction conduit inlet. An otherwise imperforate baffle between the tangential inlet opening and the suction conduit inlet end divides the interior of the casing into upper and lower sections. This baffle has a central opening of a larger cross-sectional area than the conduit. The upper end portion of the conduit extends through the opening and is centrally positioned therein by a plurality of arms extending radially into the opening and resiliently engaging the conduit at spaced points. The spaces between these arms provide passages for the flow of gaseous refrigerant from the lower portion of the casing to the inlet end of the suction conduit.
BRIEF DESCRIPTION OF THE DRAWING In the accompanying drawing:
FIG. 1 is a schematic view of a refrigeration system including the accumulator of the present invention;
FIG. 2 is a vertical sectional view of the accumulator illustrating the internal construction thereof; and
FIG. 3 is a horizontal sectional view taken along line 3--3 of FIG. 2.
DESCRIPTION OF THE PREFERRED EMBODIMENT With reference to FIG. 1 of the accompanying drawing, there is shown a refrigeration system including a compressor 1, a condenser 2, a capillary flow restrictor '3, an evaporator 4, and the suction accumulator 5 of the present invention connected in closed series flow relationship. During operation of the compressor 1, low pressure refrigerant from the suction conduit 7 is compressed by the compressor and discharged through a discharge conduit 8 to the condenser 2. The condensed refrigerant from the condenser 2 is metered by the capillary flow restrictor 3- in its flow to the evaporator 4 in which most of the refrigerant is vaporized.
The suction accumulator 5 of the present invention is connected into the system between the evaporator 4 and the compressor 1 and its primary purposes are to separate any liquid refrigerant flowing from the evaporator from the gaseous refrigerant and to meter any liquid refrigerant to the compressor at acontrolled rate such as to prevent any damage to the compressor components.
The detailed construction of the accumulator 5 is shown in FIGS. 2 and 3 of the drawing. It comprises a vertically extending, cylindrical casing 10 tapering at its upper and lower ends to form a topwall 11 and a bottom'wall 12. Specifically, the bottom wall is generally funnel shaped and includes an opening 13 at the lower end thereof for receiving the standpipe end 14 of the suction conduit 7. The upper end 11 of the casing is generally hemispherical in shape and may be provided with a tubular connection 15 for use in initial evacuation of the system.
The refrigerant inlet conduit 16 which conveys refrigerant from the evaporator 4 to the accumulator 5 is connected generally tangentially to the cylindrical side wall 10 intermediate the upper and lower ends of the casing, this tangential connection providing, in the known manner, a centrifugal separation of liquid and gaseous refrigerant flowing through the inlet conduit 16. The accumulator 5 also includes a generally impervious baffle 18 above the inlet conduit 16 which, in effect, divides the interior of the accumulator into an upper portion 19 and a lower portion 20. This'baffle 18 extends across the entire cross section of the casing 10 and includes a single central opening 21 having a larger cross sectional area than the standpipe 14, this opening preferably being in axial alignment with the opening 13 at the bottom of the accumulator. As illustrated in the 25 define passages 26 for the flow of refrigerant from the lower portion 20 of the casing into the upper portion 19.
During the operation of the refrigeration system, the tangential entrance of refrigerant into the accumulator 5 from the conduit 16 provides a centrifugal separation of any liquid refrigerant particles from the gaseous refrigerant. The liquid refrigerant, plus any entrained oil or lubricant, collects in the storage volume provided by the lower portion of the accumulator. A plurality of vertically spaced metering holes are provided in the conduit portion 14 for gradually returning liquid to the compressor through the suction line 7 at a rate at which the liquid can be vaporized during transfer to the compressor or handled by the compressor. A tortious gas path established in the center of the accumulator, that is adjacent the conduit portion 14, assures the flow of only gaseous refrigerant into the upper portion 19 of the accumulator through the passages 26. These centrally positioned passages 26 provide the sole communication between the lower and the upper portions of the accumulator and are of a size to permit gas flow without restriction under steady running conditions of the system but to impede the passage of refrigerant froth, oil and foam into the upper portion 19 of the accumulator or into the inlet end 24 of the suction conduit during startup of the compressor. Thus, the accumulator provides effective means for separating liquid refrigerant from the gaseous refrigerant and for pre-- venting passage of damaging amounts of liquid refrigerant to the compressor under all normal and abnormal operating conditions. These results are obtained by a simple and low cost accumulator construction.
While the invention'has been particularly described with reference to a specific embodiment thereof, it will be understood that it is not limited thereto and it is intended by the appended claims to cover all such modifications as fall within the true spirit and scope of the invention. 1
I claim:
l. A suction accumulator for a refrigeration system comprising:
a casing having a generally cylindrical side wall and top and bottom walls;
a suction conduit extending through said bottom wall and terminating in an inlet end adjacent said top wall;
a tangential inlet opening into said casing below a baffle;
said bafile in the upper portion of said casing between said inlet end and said tangential inlet opening;
said baffle having a central opening therein of a larger cross sectional area than said conduit, the upper end portion of said conduit extending through said opening, said baflle including a plurality of arms extending radially into said opening and resiliently engaging said conduit at spaced points for the positioning of the upper portion thereof in said casing, the spaces between said arms providing the sole communication between the lower portion of said casing to the inlet end of said suction conduit;
said spaces being dimensioned to allow refrigerant gas flow therethrough under steady running conditions of the refrigeration system and to impede the passage of liquid therethrough to prevent liquid to be drawn into said suction conduit.
2. A suction accumulator according to claim 1 in which said conduit included a plurality of vertically spaced holes for metering the flow of liquid refrigerant from said casing.
3. A suction accumulator according to claim, 1 in which the ends of said arms engaging said conduit are bent upwardly.

Claims (3)

1. A suction accumulator for a refrigeration system comprising: a casing having a generally cylindrical side wall and top and bottom walls; a suction conduit extending through said bottom wall and terminating in an inlet end adjacent said top wall; a tangential inlet opening into said casing below a baffle; said baffle in the upper portion of said casing between said inlet end and said tangential inlet opening; said baffle having a central opening therein of a larger cross sectional area than said conduit, the upper end portion of said conduit extending through said opening, said baffle including a plurality of arms extending radially into said opening and resiliently engaging said conduit at spaced points for the positioning of the upper portion thereof in said casing, the spaces between said arms providing the sole communication between the lower portion of said casing to the inlet end of said suction conduit; said spaces being dimensioned to allow refrigerant gas flow therethrough under steady running conditions of the refrigeration system and to impede the passage of liquid therethrough to prevent liquid to be drawn into said suction conduit.
2. A suction accumulator according to claim 1 in which said conduit included a plurality of vertically spaced holes for metering the flow of liquid refrigerant from said casing.
3. A suction accumulator according to claim 1 in which the ends of said arms engaging said conduit are bent upwardly.
US00307857A 1972-11-20 1972-11-20 Suction accumulator Expired - Lifetime US3796064A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US30785772A 1972-11-20 1972-11-20

Publications (1)

Publication Number Publication Date
US3796064A true US3796064A (en) 1974-03-12

Family

ID=23191470

Family Applications (1)

Application Number Title Priority Date Filing Date
US00307857A Expired - Lifetime US3796064A (en) 1972-11-20 1972-11-20 Suction accumulator

Country Status (1)

Country Link
US (1) US3796064A (en)

Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3938351A (en) * 1973-08-14 1976-02-17 Virginia Chemicals, Inc. Combination liquid trapping suction accumulator and evaporator pressure regulator device including a cartridge type expansion valve
US3939669A (en) * 1973-08-14 1976-02-24 Virginia Chemicals Inc. Combination liquid trapping suction accumulator and evaporator pressure regulator device including a drier and thermostatic expansion valve
US3955375A (en) * 1974-08-14 1976-05-11 Virginia Chemicals Inc. Combination liquid trapping suction accumulator and evaporator pressure regulator device including a capillary cartridge and heat exchanger
US4008581A (en) * 1975-07-21 1977-02-22 Sharon Manufacturing Company Suction accumulator
US4009596A (en) * 1975-07-21 1977-03-01 Tecumseh Products Company Suction accumulator
US4041728A (en) * 1975-07-21 1977-08-16 Tecumseh Products Company Suction accumulator
US4111005A (en) * 1977-04-07 1978-09-05 General Motors Corporation Press-on plastic baffle for accumulator-dehydrator
US4147479A (en) * 1976-08-13 1979-04-03 Tecumseh Products Company Refrigeration system and method with compressor mounted accumulator
US4182136A (en) * 1977-12-22 1980-01-08 Tecumseh Products Company Suction accumulator
US4194371A (en) * 1976-08-13 1980-03-25 Tecumseh Products Company Refrigeration system with compressor mounted accumulator
US4194370A (en) * 1976-08-13 1980-03-25 Tecumseh Products Company Accumulator for refrigeration system
EP0017747A2 (en) * 1979-04-11 1980-10-29 Carrier Corporation Refrigerant accumulator and method of manufacture thereof
US4551990A (en) * 1984-10-18 1985-11-12 Honoshowsky John C Oil return apparatus for a refrigeration system
US4757696A (en) * 1987-06-17 1988-07-19 Tecumseh Products Company Suction accumulator having slide valve
US5184479A (en) * 1991-12-23 1993-02-09 Ford Motor Company Accumulator for vehicle air conditioning system
US5184480A (en) * 1991-12-23 1993-02-09 Ford Motor Company Accumulator for vehicle air conditioning system
US5201792A (en) * 1991-12-23 1993-04-13 Ford Motor Company Accumulator for vehicle air conditioning system
US5347817A (en) * 1992-07-22 1994-09-20 Samsung Electronics Co., Ltd. Accumulator construction of cooling heating dual-purpose air conditioner
EP0803688A1 (en) * 1996-04-26 1997-10-29 Mitsubishi Denki Kabushiki Kaisha Accumulator
WO1998003827A1 (en) * 1996-07-19 1998-01-29 Michael Tracy Otis Fluid induction and heat exchange device
EP0846926A2 (en) * 1993-04-27 1998-06-10 Mitsubishi Denki Kabushiki Kaisha Refrigerant circulating system
EP0846925A2 (en) * 1993-04-27 1998-06-10 Mitsubishi Denki Kabushiki Kaisha Refrigerant circulating system
WO2002010656A1 (en) * 2000-07-27 2002-02-07 Luk Fahrzeug-Hydraulik Gmbh & Co.Kg Device for collecting and returning lubricants and coolants to the coolant circuit of a cooling system
US6666041B1 (en) 1999-09-08 2003-12-23 Gram Equipment A/S Refrigerator with cyclone liquid gas separator
US6739805B2 (en) * 2001-01-15 2004-05-25 Cementation Foundations Skanska Limited Waterstop for foundation elements and method of installation
US20150135751A1 (en) * 2013-11-20 2015-05-21 Mitsubishi Electric Corporation Refrigeration cycle apparatus
JP2016102631A (en) * 2014-11-28 2016-06-02 パナソニックＩｐマネジメント株式会社 Air conditioning device

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012414A (en) * 1960-05-09 1961-12-12 Porte Francis L La Refrigeration apparatus with liquid trapping means
US3420071A (en) * 1967-03-10 1969-01-07 Edward W Bottum Suction accumulator
US3643465A (en) * 1968-09-16 1972-02-22 Edward W Bottum Refrigeration suction accumulator

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3012414A (en) * 1960-05-09 1961-12-12 Porte Francis L La Refrigeration apparatus with liquid trapping means
US3420071A (en) * 1967-03-10 1969-01-07 Edward W Bottum Suction accumulator
US3643465A (en) * 1968-09-16 1972-02-22 Edward W Bottum Refrigeration suction accumulator

Cited By (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3939669A (en) * 1973-08-14 1976-02-24 Virginia Chemicals Inc. Combination liquid trapping suction accumulator and evaporator pressure regulator device including a drier and thermostatic expansion valve
US3938351A (en) * 1973-08-14 1976-02-17 Virginia Chemicals, Inc. Combination liquid trapping suction accumulator and evaporator pressure regulator device including a cartridge type expansion valve
US3955375A (en) * 1974-08-14 1976-05-11 Virginia Chemicals Inc. Combination liquid trapping suction accumulator and evaporator pressure regulator device including a capillary cartridge and heat exchanger
US4008581A (en) * 1975-07-21 1977-02-22 Sharon Manufacturing Company Suction accumulator
US4009596A (en) * 1975-07-21 1977-03-01 Tecumseh Products Company Suction accumulator
US4041728A (en) * 1975-07-21 1977-08-16 Tecumseh Products Company Suction accumulator
US4194370A (en) * 1976-08-13 1980-03-25 Tecumseh Products Company Accumulator for refrigeration system
US4147479A (en) * 1976-08-13 1979-04-03 Tecumseh Products Company Refrigeration system and method with compressor mounted accumulator
US4194371A (en) * 1976-08-13 1980-03-25 Tecumseh Products Company Refrigeration system with compressor mounted accumulator
US4111005A (en) * 1977-04-07 1978-09-05 General Motors Corporation Press-on plastic baffle for accumulator-dehydrator
US4182136A (en) * 1977-12-22 1980-01-08 Tecumseh Products Company Suction accumulator
EP0017747A2 (en) * 1979-04-11 1980-10-29 Carrier Corporation Refrigerant accumulator and method of manufacture thereof
US4231230A (en) * 1979-04-11 1980-11-04 Carrier Corporation Refrigerant accumulator and method of manufacture thereof
EP0017747A3 (en) * 1979-04-11 1980-12-10 Carrier Corporation Refrigerant accumulator and method of manufacture thereof
US4551990A (en) * 1984-10-18 1985-11-12 Honoshowsky John C Oil return apparatus for a refrigeration system
US4757696A (en) * 1987-06-17 1988-07-19 Tecumseh Products Company Suction accumulator having slide valve
US5201792A (en) * 1991-12-23 1993-04-13 Ford Motor Company Accumulator for vehicle air conditioning system
US5184479A (en) * 1991-12-23 1993-02-09 Ford Motor Company Accumulator for vehicle air conditioning system
US5184480A (en) * 1991-12-23 1993-02-09 Ford Motor Company Accumulator for vehicle air conditioning system
US5347817A (en) * 1992-07-22 1994-09-20 Samsung Electronics Co., Ltd. Accumulator construction of cooling heating dual-purpose air conditioner
EP0844300A3 (en) * 1993-04-27 1999-04-28 Mitsubishi Denki Kabushiki Kaisha Refrigerant circulating system
EP0846751A3 (en) * 1993-04-27 1999-12-22 Mitsubishi Denki Kabushiki Kaisha Refrigerant circulating system
EP0852323A3 (en) * 1993-04-27 1999-12-15 Mitsubishi Denki Kabushiki Kaisha Refrigerant circulating system
EP0846926A2 (en) * 1993-04-27 1998-06-10 Mitsubishi Denki Kabushiki Kaisha Refrigerant circulating system
EP0846925A2 (en) * 1993-04-27 1998-06-10 Mitsubishi Denki Kabushiki Kaisha Refrigerant circulating system
EP0846925A3 (en) * 1993-04-27 1999-12-15 Mitsubishi Denki Kabushiki Kaisha Refrigerant circulating system
EP0846926A3 (en) * 1993-04-27 1999-04-28 Mitsubishi Denki Kabushiki Kaisha Refrigerant circulating system
US5724830A (en) * 1995-07-19 1998-03-10 Otis; Michael Tracy Fluid induction and heat exchange device
US5799503A (en) * 1996-04-26 1998-09-01 Mitsubishi Denki Kabushiki Kaisha Accumulator
EP0803688A1 (en) * 1996-04-26 1997-10-29 Mitsubishi Denki Kabushiki Kaisha Accumulator
WO1998003827A1 (en) * 1996-07-19 1998-01-29 Michael Tracy Otis Fluid induction and heat exchange device
US6666041B1 (en) 1999-09-08 2003-12-23 Gram Equipment A/S Refrigerator with cyclone liquid gas separator
WO2002010656A1 (en) * 2000-07-27 2002-02-07 Luk Fahrzeug-Hydraulik Gmbh & Co.Kg Device for collecting and returning lubricants and coolants to the coolant circuit of a cooling system
US6739805B2 (en) * 2001-01-15 2004-05-25 Cementation Foundations Skanska Limited Waterstop for foundation elements and method of installation
US20150135751A1 (en) * 2013-11-20 2015-05-21 Mitsubishi Electric Corporation Refrigeration cycle apparatus
US9696078B2 (en) * 2013-11-20 2017-07-04 Mitsubishi Electric Corporation Refrigeration cycle apparatus
JP2016102631A (en) * 2014-11-28 2016-06-02 パナソニックＩｐマネジメント株式会社 Air conditioning device

Similar Documents

Publication Publication Date Title
US3796064A (en) Suction accumulator
US3581519A (en) Oil equalization system
US2277647A (en) Refrigeration
JP2018017407A (en) Gas-liquid separator of compression refrigerating machine
US3857652A (en) Internal liquid refrigerant trap for hermetic compressors
US4142380A (en) Encapsulated refrigerator
JPS63315873A (en) Inhalation accumulator with slide valve
CN106500418B (en) Refrigerating unit, oil supply system and oil separator thereof
US2548335A (en) Refrigeration accumulator and dehydrator
US6202437B1 (en) Suction accumulator pre-charged with oil
US3643466A (en) Refrigeration suction accumulator
US3111819A (en) Evaporator with oil return means
BR112019011824A2 (en) low charge compact ammonia refrigeration system with evaporative condenser
US4295806A (en) Rotary compressor with wire gauze lubricant separator
US6178771B1 (en) Suction accumulator
US2864461A (en) Integrated oil separating system for gas compressors
US2329746A (en) Refrigerating apparatus
US2867098A (en) Refrigerant receiver and oil separator
US2661605A (en) Separator for intermingled fluids
US2854828A (en) Free flow evaporator
US4141223A (en) Encapsulated refrigerator
US2786340A (en) Apparatus for lubricating and filtering the coolant fluid in refrigerators
JPS5838360Y2 (en) Reitou Sochi
US2023241A (en) Oil separator for refrigerating systems
US2361394A (en) Separator