IT1192786B - Apparecchiatura frigorifera e compressore alternativo per tale apparecchiatura - Google Patents
Apparecchiatura frigorifera e compressore alternativo per tale apparecchiaturaInfo
- Publication number
- IT1192786B IT1192786B IT69329/79A IT6932979A IT1192786B IT 1192786 B IT1192786 B IT 1192786B IT 69329/79 A IT69329/79 A IT 69329/79A IT 6932979 A IT6932979 A IT 6932979A IT 1192786 B IT1192786 B IT 1192786B
- Authority
- IT
- Italy
- Prior art keywords
- equipment
- refrigerating
- alternative compressor
- compressor
- alternative
- Prior art date
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)
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 IT7969329A0 (it) | 1979-12-03 |
IT1192786B true 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)
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 |
DE3172726D1 (en) * | 1980-08-25 | 1985-11-28 | Helix Tech Corp | 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 |
US5100541A (en) * | 1989-03-31 | 1992-03-31 | Zarina Holding C.V. | In-line debris trap for swimming pool filtration system |
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 |
US20080276919A1 (en) * | 2004-06-08 | 2008-11-13 | Denver Stanley Porter Lawson | 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 |
KR20140101885A (ko) * | 2009-12-11 | 2014-08-20 | 생-고뱅 퍼포먼스 플라스틱스 코포레이션 | 스프링-활성화된 동적 실링 조립체를 위한 시스템, 방법 및 장치 |
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 |
EP4107415A4 (en) * | 2020-02-19 | 2024-03-27 | Saint-Gobain Performance Plastics Corporation | SOFT CRYOGENIC SEAL |
Family Cites Families (14)
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 |
-
1978
- 1978-12-11 US US05/968,325 patent/US4244192A/en not_active Expired - Lifetime
-
1979
- 1979-11-23 FR FR7928974A patent/FR2444174A1/fr active Granted
- 1979-11-27 GB GB7940955A patent/GB2039665B/en not_active Expired
- 1979-12-03 IT IT69329/79A patent/IT1192786B/it active
- 1979-12-11 DE DE19792949792 patent/DE2949792A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
GB2039665A (en) | 1980-08-13 |
FR2444174B3 (it) | 1982-08-27 |
GB2039665B (en) | 1982-12-15 |
FR2444174A1 (fr) | 1980-07-11 |
DE2949792A1 (de) | 1980-06-19 |
US4244192A (en) | 1981-01-13 |
IT7969329A0 (it) | 1979-12-03 |
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