US2002307A - Compression refrigerating system for low temperature purposes - Google Patents

Compression refrigerating system for low temperature purposes Download PDF

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Publication number
US2002307A
US2002307A US641956A US64195632A US2002307A US 2002307 A US2002307 A US 2002307A US 641956 A US641956 A US 641956A US 64195632 A US64195632 A US 64195632A US 2002307 A US2002307 A US 2002307A
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United States
Prior art keywords
piston
compression
evaporator
cylinder
refrigerating system
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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
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US641956A
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English (en)
Inventor
Brier Henry
Brier John Hornsby
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Individual
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Individual
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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
    • F25B1/00—Compression machines, plants or systems with non-reversible cycle
    • F25B1/10—Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • 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
    • F25B2309/00—Gas cycle refrigeration machines
    • F25B2309/06—Compression machines, plants or systems characterised by the refrigerant being carbon dioxide
    • 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
    • F25B2400/13—Economisers
    • 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
    • F25B2400/23—Separators
    • 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
    • F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
    • F25B9/002—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant
    • F25B9/008—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the refrigerant the refrigerant being carbon dioxide

Definitions

  • the invention consists in providing low temperature cooling by employing'pre-cooiing of the vapour or gas from a primary evaporator or pre-cooler as part of a three stage compression in one cylinder in such manner as to obtain the greatest volume of the gas or vapour from the primary evaporator in the first stage of compression.
  • the refrigerant such as CO: or any other suitable refrigerant after compression into an ordinary condenser is first expanded or partially evaporated and pre-cooled thereby into a primary evaporator, such as is in common use, in which the liquid is separated from the vapour.
  • the pre-cooled liquid portion is then allowed to pass into the evaporator, where it expands doing useful cooling work.
  • thevapour thus formed being drawn into one end of a compressor cylinder.
  • This charge is supplemented by the vapour portion separated from the liquid CO: or other refrigerant in the primary evaporator as a second charge at higher pressure which is delivered to the same side of the piston through a suction valve provided for the purpose or through ports in the walls of the cylinder uncovered by the piston at the extreme end of its suction stroke.
  • the initial charge from the evaporatoris thereby compressed to the higher pressure ruling in the primary evaporator and this constitutes the first stage of compression.
  • 00 from a suitable source such as a CO: producer is subjected to three-stage compression in a cylinder such as above described, the charge of the cylinder being supplemented as before from a primary evaporator.
  • the liquid portion from the prim ry evaporator is, however, delivered'to an evaporation or snow box for the production of ice-or CO: snow.
  • This'snow box may be .in communication by way of a non-return valve with the conduit through which the CO: from the producer or the like is drawn into the compressor cylinder.
  • FIG. 1 A compression refrigerating system forming the subject of the invention is illustrated diagrammatically in Fig. l of the accompanying 5 drawing.
  • Fig. 2 illustrates also diagrammatically the application of the invention to the productionof dry ice or CO2 snow.
  • A denotes generally a compressor used as a three stage compressor
  • B a condenser
  • C a primary evaporator and liquid regulator
  • D an evaporator
  • E denotes the piston.
  • the full line position of the piston indicates its position at the end of the suction stroke and first compression stroke at one end and the third compression stroke at the other end
  • the dotted line position corresponds to the position of the piston at the end of its second compression stroke.
  • the refrigerant such as CO is compressed by means of the piston E in its outward stroke through the outlet valve G into the condenser B and thence is passed through the regulator valve H into a primary evaporator C with a liquid regulator shown as being of the type described in our prior U. S. Patent specification No. 1,452,999.
  • a primary evaporator C the liquid is separated from the vapour, the liquid being passed through the pipe I to the evaporator D, where it does useful cooling work, the vapour thereby formed being drawn through the inlet valve K into the one end of the cylinder by the piston E on its outward stroke.
  • the vapour from the primary evaporator C is passed as a second charge at higher pressure through a separate valve or through the ports L in the wall of the compressor behind the piston E '35 and thus.to the same side of the piston, as the ports L are uncovered by the piston at the extreme end of its suction stroke.
  • the initial charge passed from the evaporator through the inlet valve K is thereby compressed to the higher pressure ruling in the primary evaporator and consti tutes a first stage of compression.
  • a snow or ice making vessel or chamber of any suitable description will be provided for the reception of the liquid contents of the primary evaporator C, and CO: from a suitablesource such as a CO: producerwill be drawn into the compressor cylinder.
  • CO from a suitablesource such as a CO: producerwill be drawn into the compressor cylinder.
  • the charge drawn in will be supplemented as above described from the primary evaporator.
  • the other stages of compression will be carried out as before.
  • the snow or ice making vessel may be connected through a. non-return valve with the conduit supplying the CO2 to the compressor cylinder from the CO: producer so that the CO: vapour from the snow box may be used to supplement that coming from the producer.
  • the improvement in the compression-refrigerating method of attaining unusually low temperatures by a refrigerant comprising first subjecting the refrigerant to a primary evaporation to pre-cool same, then drawing the working gas or vapor from the main evaporator into a single container and adding the gaseous refrigerant from i the primary evaporator, and efiecting a first stage compression of the working gas from the main evaporator in the single container, thus raising.
  • a primary-evaporator In a compression-refrigerating system of the kind involving pre-cooling of the refrigerant by primary evaporation, a primary-evaporator, a compressor having a piston, means for delivering the gas or vapor from the main evaporator thereto on its suction stroke, and for raising the pressure on this side of the piston by the gas from the primary evaporator, and adding same to the contents of the compressor at the end of its suction stroke, a conduit for connecting opposite ends of the cylinder of the compressor whereby to deliver the gases to the front end of the cylinder and compress them further by virtue of the capacity in either end of the cylinder being different, a condenser, and means for compressing said gases in a third compression into said condenser on the return stroke of the piston.
  • a primary evaporator In a compression-refrigerating system of the kind involving pre-cooling of the refrigerant by primary evaporation, a primary evaporator, a compressor having a piston, means for delivering the gas or vapor from the main evaporator thereto on its suction stroke, and for raising the pressure on this side of the piston by the gas from the primary evaporator, same being'added to the contents of the compressor at the end of its suction stroke, a conduit for connecting opposite ends of the cylinder of the compressor whereby to deliver the gases to the front end of the cylinder and compress them further by virtue of the capacity in either end of the cylinder being different, a condenser, and means for compressing said gases in a third compression into said condenser on the return stroke of the piston, the compressor being formed with openings adapted to be uncovered by the piston on its first-stage suction stroke, said openings being in communication with the said gas conduit leading from the primary evaporator.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Devices That Are Associated With Refrigeration Equipment (AREA)
  • Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
  • Compressor (AREA)
  • Carbon And Carbon Compounds (AREA)
US641956A 1932-01-09 1932-11-10 Compression refrigerating system for low temperature purposes Expired - Lifetime US2002307A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB698/32A GB394039A (en) 1932-01-09 1932-01-09 Improvements in compression refrigerating systems for solidifying gases

Publications (1)

Publication Number Publication Date
US2002307A true US2002307A (en) 1935-05-21

Family

ID=9708963

Family Applications (1)

Application Number Title Priority Date Filing Date
US641956A Expired - Lifetime US2002307A (en) 1932-01-09 1932-11-10 Compression refrigerating system for low temperature purposes

Country Status (4)

Country Link
US (1) US2002307A (fr)
BE (1) BE393029A (fr)
FR (1) FR747615A (fr)
GB (1) GB394039A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2674401A (en) * 1950-11-18 1954-04-06 Mallory Res Co Internal-combustion engine with compressor
CN115435581A (zh) * 2021-06-02 2022-12-06 中山市爱美泰电器有限公司 一种包含二氧化碳的双冷媒耦合高温烘干系统

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114034134A (zh) * 2021-11-30 2022-02-11 华能营口热电有限责任公司 一种基于二氧化碳发电和吸收式热泵的热电联供装置方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2674401A (en) * 1950-11-18 1954-04-06 Mallory Res Co Internal-combustion engine with compressor
CN115435581A (zh) * 2021-06-02 2022-12-06 中山市爱美泰电器有限公司 一种包含二氧化碳的双冷媒耦合高温烘干系统

Also Published As

Publication number Publication date
FR747615A (fr) 1933-06-20
BE393029A (fr) 1933-01-31
GB394039A (en) 1933-06-22

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