IT7969329A0 - Apparecchiatura frigorifera e compressore alternativo per tale appa recchiatura - Google Patents

Apparecchiatura frigorifera e compressore alternativo per tale appa recchiatura

Info

Publication number
IT7969329A0
IT7969329A0 IT7969329A IT6932979A IT7969329A0 IT 7969329 A0 IT7969329 A0 IT 7969329A0 IT 7969329 A IT7969329 A IT 7969329A IT 6932979 A IT6932979 A IT 6932979A IT 7969329 A0 IT7969329 A0 IT 7969329A0
Authority
IT
Italy
Prior art keywords
equipment
refrigerating
alternative compressor
compressor
alternative
Prior art date
Application number
IT7969329A
Other languages
English (en)
Other versions
IT1192786B (it
Inventor
Fred F Chellis
Original Assignee
Helix Tech 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 Helix Tech Corp filed Critical Helix Tech Corp
Publication of IT7969329A0 publication Critical patent/IT7969329A0/it
Application granted granted Critical
Publication of IT1192786B publication Critical patent/IT1192786B/it

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
    • F04B39/04—Measures to avoid lubricant contaminating the pumped fluid
    • F04B39/041—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod
    • F04B39/042—Measures to avoid lubricant contaminating the pumped fluid sealing for a reciprocating rod sealing being provided on the piston
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/164—Sealings between relatively-moving surfaces the sealing action depending on movements; pressure difference, temperature or presence of leaking fluid
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • F16J15/3204—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip
    • F16J15/3232—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips
    • F16J15/3236—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings with at least one lip having two or more lips with at least one lip for each surface, e.g. U-cup packings
    • 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
    • F25B9/14—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point characterised by the cycle used, e.g. Stirling cycle

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Compressor (AREA)
IT69329/79A 1978-12-11 1979-12-03 Apparecchiatura frigorifera e compressore alternativo per tale apparecchiatura IT1192786B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/968,325 US4244192A (en) 1978-12-11 1978-12-11 Refrigeration system and reciprocating compressor therefor with pressure stabilizing seal

Publications (2)

Publication Number Publication Date
IT7969329A0 true IT7969329A0 (it) 1979-12-03
IT1192786B IT1192786B (it) 1988-05-04

Family

ID=25514078

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69329/79A IT1192786B (it) 1978-12-11 1979-12-03 Apparecchiatura frigorifera e compressore alternativo per tale apparecchiatura

Country Status (5)

Country Link
US (1) US4244192A (it)
DE (1) DE2949792A1 (it)
FR (1) FR2444174A1 (it)
GB (1) GB2039665B (it)
IT (1) IT1192786B (it)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4281517A (en) * 1980-02-27 1981-08-04 The United States Of America As Represented By The Secretary Of The Navy Single stage twin piston cryogenic refrigerator
US4501120A (en) * 1980-03-28 1985-02-26 Helix Technology Corporation Refrigeration system with clearance seals
EP0046585B2 (en) * 1980-08-25 1992-12-09 Helix Technology Corporation Refrigerator with a clearance seal compressor
US4355519A (en) * 1981-04-20 1982-10-26 Helix Technology Corporation Split ring seal for cryogenic refrigerator
US4543792A (en) * 1982-09-09 1985-10-01 Helix Technology Corporation Refrigeration system with clearance seals
US4477091A (en) * 1983-02-24 1984-10-16 Gray Tool Company Fire resistant connections and U-like sealing means therefor
US4574591A (en) * 1983-08-29 1986-03-11 Helix Technology Corporation Clearance seals and piston for cryogenic refrigerator compressors
GB2163520B (en) * 1984-07-07 1988-12-07 Bendix Ltd Piston and cylinder apparatus
US4569203A (en) * 1984-10-29 1986-02-11 Texas Instruments Incorporated Cryogenic cooler
US4576385A (en) * 1984-12-12 1986-03-18 Fmc Corporation Fluid packing assembly with alternating diverse seal ring elements
US4655462A (en) * 1985-01-07 1987-04-07 Peter J. Balsells Canted coiled spring and seal
US4619112A (en) * 1985-10-29 1986-10-28 Colgate Thermodynamics Co. Stirling cycle machine
US4687212A (en) * 1986-12-16 1987-08-18 Baraw Corporation Seal assembly with stabilizing ribs
US4754608A (en) * 1987-01-21 1988-07-05 Bertsch Peter K Squeeze film bearing for Stirling cycle compressor pistons
US4741509A (en) * 1987-02-19 1988-05-03 Cameron Iron Works, Inc. Gate valve with improved secondary body to bushing seals
DE3812430A1 (de) * 1988-04-14 1989-10-26 Leybold Ag Verfahren zur herstellung eines verdraengers fuer den kaltkopf eines kryo-refrigerators und nach diesem verfahren hergestellter verdraenger
FR2645234A1 (fr) * 1989-03-31 1990-10-05 Schneider Helge Systeme d'etancheite pour une installation soumise a une reduction de pression, notamment pour un collecteur de debris
DE4038620A1 (de) * 1990-11-14 1992-05-21 Heinz Konrad Prof Dr I Mueller Wellendichtung
US5265890A (en) * 1990-12-03 1993-11-30 Peter J. Balsells Seal with spring energizer
US5542682A (en) * 1995-03-27 1996-08-06 American Variseal Slant coil spring and seal
DE19539115A1 (de) * 1995-10-20 1997-04-24 Deutsche Forsch Luft Raumfahrt Solarkollektorsystem
JP3284906B2 (ja) * 1996-02-21 2002-05-27 ダイキン工業株式会社 極低温冷凍機
US5996472A (en) * 1996-10-07 1999-12-07 Chemical Seal And Packing, Inc. Cryogenic reciprocating pump
US5810570A (en) * 1997-01-06 1998-09-22 Chemical Seal & Packing, Inc. Super-low net positive suction head cryogenic reciprocating pump
CN100365337C (zh) * 2003-01-17 2008-01-30 Hp&T产品公司 阀密封装置
EP1899632A1 (en) * 2004-06-08 2008-03-19 Savice Limited A piston, a ring and a piston assembly for a two cycle engine
US7140291B2 (en) * 2005-01-28 2006-11-28 Bendix Commercial Vehicle Systems Llc Oil-free/oil-less air compressor with an improved seal
BE1016445A3 (nl) * 2005-02-04 2006-11-07 H T M S Nv Verbeterde afdichting.
US7819958B2 (en) * 2005-08-08 2010-10-26 Bendix Commerical Vehicle Systems Llc Purge valve
US20110140369A1 (en) * 2009-12-11 2011-06-16 Saint-Gobain Performance Plastics Corporation System, method and apparatus for spring-energized dynamic sealing assembly
US8573113B2 (en) 2010-04-30 2013-11-05 Bendix Commercial Vehicle Systems Llc Piston and cylinder assembly
CA3053128C (en) * 2014-07-09 2021-10-19 Saint-Gobain Performance Plastics Corporation Polymer seal assembly
US11209192B2 (en) * 2019-07-29 2021-12-28 Cryo Tech Ltd. Cryogenic Stirling refrigerator with a pneumatic expander
WO2021167884A1 (en) * 2020-02-19 2021-08-26 Saint-Gobain Performance Plastics Corporation Flexible cryogenic seal

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2815970A (en) * 1955-02-02 1957-12-10 Wagner Electric Corp Multiple shaft seal
US2818287A (en) * 1955-04-20 1957-12-31 Greene Tweed & Co Inc Annular seals
US2979350A (en) * 1956-06-29 1961-04-11 Parker Hannifin Corp Seals for rods and shafts
GB1041817A (en) * 1962-10-30 1966-09-07 Dowty Seals Ltd Improvements relating to sealing devices
US3288472A (en) * 1963-07-01 1966-11-29 Regan Forge & Eng Co Metal seal
NL6508994A (it) * 1965-07-13 1967-01-16
US3520542A (en) * 1966-02-16 1970-07-14 Pneumo Dynamics Corp Double wedge seal
US3581499A (en) * 1969-05-09 1971-06-01 Tenneco Inc Quick raise adapter
US3673809A (en) * 1970-02-10 1972-07-04 Cryogenic Technology Inc In-line multistage cryogenic apparatus
US3653672A (en) * 1970-07-13 1972-04-04 Sacomo Sierra Inc Seal ring
US3901517A (en) * 1972-10-11 1975-08-26 Utex Ind Inc Dynamic seal
US3960169A (en) * 1974-01-30 1976-06-01 Controls Company Of America Pilot operated evaporator pressure regulator
US3913339A (en) * 1974-03-04 1975-10-21 Hughes Aircraft Co Reduction in cooldown time for cryogenic refrigerator
US3877239A (en) * 1974-03-18 1975-04-15 Hughes Aircraft Co Free piston cryogenic refrigerator with phase angle control

Also Published As

Publication number Publication date
DE2949792A1 (de) 1980-06-19
US4244192A (en) 1981-01-13
GB2039665A (en) 1980-08-13
FR2444174B3 (it) 1982-08-27
GB2039665B (en) 1982-12-15
IT1192786B (it) 1988-05-04
FR2444174A1 (fr) 1980-07-11

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