CA954098A - Two stage screw rotor machines - Google Patents
Two stage screw rotor machinesInfo
- Publication number
- CA954098A CA954098A CA118,349A CA118349A CA954098A CA 954098 A CA954098 A CA 954098A CA 118349 A CA118349 A CA 118349A CA 954098 A CA954098 A CA 954098A
- Authority
- CA
- Canada
- Prior art keywords
- screw rotor
- stage screw
- rotor machines
- machines
- stage
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
- F01C20/00—Control of, monitoring of, or safety arrangements for, machines or engines
- F01C20/10—Control of, monitoring of, or safety arrangements for, machines or engines characterised by changing the positions of the inlet or outlet openings with respect to the working chamber
- F01C20/12—Control of, monitoring of, or safety arrangements for, machines or engines characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves
- F01C20/125—Control of, monitoring of, or safety arrangements for, machines or engines characterised by changing the positions of the inlet or outlet openings with respect to the working chamber using sliding valves with sliding valves controlled by the use of fluid other than the working fluid
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Rotary Pumps (AREA)
- Hydraulic Motors (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB3452570A GB1365285A (en) | 1970-07-16 | 1970-07-16 | Meshing screw rotor positivedisplacement machines |
Publications (1)
Publication Number | Publication Date |
---|---|
CA954098A true CA954098A (en) | 1974-09-03 |
Family
ID=10366730
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA118,349A Expired CA954098A (en) | 1970-07-16 | 1971-07-15 | Two stage screw rotor machines |
Country Status (6)
Country | Link |
---|---|
US (1) | US3756753A (de) |
JP (1) | JPS5428603B1 (de) |
BE (1) | BE769872A (de) |
CA (1) | CA954098A (de) |
DE (1) | DE2134994C3 (de) |
GB (1) | GB1365285A (de) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE366375B (de) * | 1972-06-30 | 1974-04-22 | Stal Refrigeration Ab | |
US3869227A (en) * | 1974-03-08 | 1975-03-04 | Vilter Manufacturing Corp | Variable capacity rotary screw compressor having variable high pressure suction fluid inlets |
USRE29283E (en) * | 1974-07-26 | 1977-06-28 | Dunham-Bush, Inc. | Undercompression and overcompression free helical screw rotary compressor |
US3936239A (en) * | 1974-07-26 | 1976-02-03 | Dunham-Bush, Inc. | Undercompression and overcompression free helical screw rotary compressor |
US4005949A (en) * | 1974-10-10 | 1977-02-01 | Vilter Manufacturing Corporation | Variable capacity rotary screw compressor |
GB1555330A (en) * | 1978-03-21 | 1979-11-07 | Hall Thermotank Prod Ltd | Rotary fluid machines |
US4610612A (en) * | 1985-06-03 | 1986-09-09 | Vilter Manufacturing Corporation | Rotary screw gas compressor having dual slide valves |
US4610613A (en) * | 1985-06-03 | 1986-09-09 | Vilter Manufacturing Corporation | Control means for gas compressor having dual slide valves |
US6283716B1 (en) | 1997-10-28 | 2001-09-04 | Coltec Industries Inc. | Multistage blowdown valve for a compressor system |
US6422846B1 (en) * | 2001-03-30 | 2002-07-23 | Carrier Corporation | Low pressure unloader mechanism |
US6638029B2 (en) | 2001-12-19 | 2003-10-28 | Hamilton Sunstrand Corporation | Pressure ratio modulation for a two stage oil free compressor assembly |
DE10242139A1 (de) * | 2002-09-03 | 2004-03-18 | Bitzer Kühlmaschinenbau Gmbh | Schraubenverdichter |
WO2008069773A1 (en) * | 2006-10-16 | 2008-06-12 | Carrier Corporation | Compressor slide valve support |
US7891955B2 (en) * | 2007-02-22 | 2011-02-22 | Vilter Manufacturing Llc | Compressor having a dual slide valve assembly |
BRPI0808620A2 (pt) * | 2007-03-29 | 2014-08-12 | Vilter Mfg Llc | "compressor, conjunto de válvula de gaveta de alta pressão para uso em um compressor e método de controle de taxa de volume de compressão, de entrada de potência e de capacidade em um compressor operando em um ambiente de alta pressão" |
WO2009048446A1 (en) * | 2007-10-10 | 2009-04-16 | Carrier Corporation | Slide valve system for a screw compressor |
EP2439411B1 (de) * | 2010-10-06 | 2017-08-23 | LEONARDO S.p.A. | Pumpenanordnung, insbesondere für Hubschrauberschmierung |
US9920763B2 (en) | 2015-09-17 | 2018-03-20 | Ingersoll-Rand Company | Contact cooled rotary airend injection spray insert |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR804327A (fr) * | 1935-03-28 | 1936-10-21 | Milo Ab | Compresseur rotatif pourvu d'une denture helicoïdale, pour puissance variable |
US2645903A (en) * | 1947-02-20 | 1953-07-21 | Douglas A Elkins | Variable ratio rotary pump and motor hydraulic transmission |
US2749571A (en) * | 1951-06-23 | 1956-06-12 | Pasquetti Carlo | Machine for mixing and extruding |
GB819485A (en) * | 1956-04-12 | 1959-09-02 | Svenska Rotor Maskiner Ab | Improvements in gear devices acting as pumps or motors |
US3088659A (en) * | 1960-06-17 | 1963-05-07 | Svenska Rotor Maskiner Ab | Means for regulating helical rotary piston engines |
NO117317B (de) * | 1964-03-20 | 1969-07-28 | Svenska Rotor Maskiner Ab | |
GB1171291A (en) * | 1965-10-12 | 1969-11-19 | Svenska Rotor Maskiner Ab | Screw Rotor Machines |
-
1970
- 1970-07-16 GB GB3452570A patent/GB1365285A/en not_active Expired
-
1971
- 1971-07-12 BE BE769872A patent/BE769872A/xx unknown
- 1971-07-13 US US00162244A patent/US3756753A/en not_active Expired - Lifetime
- 1971-07-14 DE DE2134994A patent/DE2134994C3/de not_active Expired
- 1971-07-15 CA CA118,349A patent/CA954098A/en not_active Expired
- 1971-07-16 JP JP5306271A patent/JPS5428603B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2134994C3 (de) | 1979-12-20 |
DE2134994A1 (de) | 1972-01-20 |
JPS5428603B1 (de) | 1979-09-18 |
US3756753A (en) | 1973-09-04 |
GB1365285A (en) | 1974-08-29 |
BE769872A (fr) | 1971-11-16 |
DE2134994B2 (de) | 1979-04-26 |
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