WO2020120064A1 - Regelbare schraubenspindelpumpe - Google Patents
Regelbare schraubenspindelpumpe Download PDFInfo
- Publication number
- WO2020120064A1 WO2020120064A1 PCT/EP2019/081324 EP2019081324W WO2020120064A1 WO 2020120064 A1 WO2020120064 A1 WO 2020120064A1 EP 2019081324 W EP2019081324 W EP 2019081324W WO 2020120064 A1 WO2020120064 A1 WO 2020120064A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- chamber
- valve
- spindle
- throttle
- pump
- Prior art date
Links
Classifications
-
- 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
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/12—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C2/14—Rotary-piston machines or pumps 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
- F04C2/16—Rotary-piston machines or pumps 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
-
- 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
- F04C14/00—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations
- F04C14/24—Control of, monitoring of, or safety arrangements for, machines, pumps or pumping installations characterised by using valves controlling pressure or flow rate, e.g. discharge valves or unloading valves
-
- 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
-
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/12—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet
- F04C29/124—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps
- F04C29/126—Arrangements for admission or discharge of the working fluid, e.g. constructional features of the inlet or outlet with inlet and outlet valves specially adapted for rotary or oscillating piston pumps of the non-return type
-
- 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
- F04C2210/00—Fluid
- F04C2210/20—Fluid liquid, i.e. incompressible
- F04C2210/206—Oil
-
- 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
- F04C2240/00—Components
- F04C2240/50—Bearings
-
- 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
- F04C2240/00—Components
- F04C2240/60—Shafts
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
- Rotary Pumps (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201980081474.4A CN113227579A (zh) | 2018-12-10 | 2019-11-14 | 可调螺杆泵 |
BR112021008020-1A BR112021008020A2 (pt) | 2018-12-10 | 2019-11-14 | bomba de fuso helicoidal regulável |
US17/299,283 US20220049697A1 (en) | 2018-12-10 | 2019-11-14 | Controllable Screw Spindle Pump |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018131587.2 | 2018-12-10 | ||
DE102018131587.2A DE102018131587A1 (de) | 2018-12-10 | 2018-12-10 | Regelbare Schraubenspindelpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020120064A1 true WO2020120064A1 (de) | 2020-06-18 |
Family
ID=68610214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2019/081324 WO2020120064A1 (de) | 2018-12-10 | 2019-11-14 | Regelbare schraubenspindelpumpe |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220049697A1 (de) |
CN (1) | CN113227579A (de) |
BR (1) | BR112021008020A2 (de) |
DE (1) | DE102018131587A1 (de) |
WO (1) | WO2020120064A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021133109A1 (de) | 2021-12-14 | 2023-06-15 | Leistritz Pumpen Gmbh | Schraubenspindelpumpe |
DE102021133112A1 (de) | 2021-12-14 | 2023-06-15 | Leistritz Pumpen Gmbh | Schraubenspindelpumpe |
DE102021133106A1 (de) | 2021-12-14 | 2023-06-15 | Leistritz Pumpen Gmbh | Schraubenspindelpumpe |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE504283C (de) * | 1926-11-24 | 1930-08-02 | Georg Koeppel | Einrichtung zur Leistungsaenderung von Drehkolbenpumpen, insbesondere Schraubenpumpen |
US2171146A (en) * | 1936-12-02 | 1939-08-29 | Imo Industri Ab | Hydraulic rotary engine |
DE2441520A1 (de) * | 1973-09-03 | 1975-03-06 | Svenska Rotor Maskiner Ab | Wellendichtung fuer schraubenrotorverdichter |
EP0134768A1 (de) * | 1983-07-20 | 1985-03-20 | Imo Ab | Schraubenpumpe |
DE102009056218A1 (de) | 2009-11-28 | 2011-06-01 | Robert Bosch Gmbh | Schraubenspindelpumpe mit integriertem Druckbegrenzungsventil |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1171291A (en) * | 1965-10-12 | 1969-11-19 | Svenska Rotor Maskiner Ab | Screw Rotor Machines |
US4388048A (en) * | 1981-03-10 | 1983-06-14 | Dunham Bush, Inc. | Stepping type unloading system for helical screw rotary compressor |
US4412788A (en) * | 1981-04-20 | 1983-11-01 | Durham-Bush, Inc. | Control system for screw compressor |
US4515540A (en) * | 1983-11-22 | 1985-05-07 | Frick Company | Variable liquid refrigerant injection port locator for screw compressor equipped with automatic variable volume ratio |
US4929161A (en) * | 1987-10-28 | 1990-05-29 | Hitachi, Ltd. | Air-cooled oil-free rotary-type compressor |
DE19625564C2 (de) * | 1996-06-26 | 2000-06-08 | Bosch Gmbh Robert | Kraftstoff-Förderpumpe für eine Kraftstoff-Einspritzpumpe für Brennkraftmaschinen |
JP4110123B2 (ja) * | 2004-07-12 | 2008-07-02 | 株式会社神戸製鋼所 | スクリュ圧縮機 |
ITVI20050272A1 (it) * | 2005-10-14 | 2007-04-15 | Refcomp Spa | Compressore volumetrico a vite perfezionato |
DE102010019044B4 (de) * | 2010-05-03 | 2014-09-04 | Geräte- und Pumpenbau GmbH Dr. Eugen Schmidt | Schmierstoffventil für Ölpumpen von Verbrennungsmotoren |
CN204099200U (zh) * | 2014-09-23 | 2015-01-14 | 江森自控空调冷冻设备(无锡)有限公司 | 可调内容积比的螺杆压缩机 |
-
2018
- 2018-12-10 DE DE102018131587.2A patent/DE102018131587A1/de not_active Withdrawn
-
2019
- 2019-11-14 CN CN201980081474.4A patent/CN113227579A/zh active Pending
- 2019-11-14 BR BR112021008020-1A patent/BR112021008020A2/pt not_active Application Discontinuation
- 2019-11-14 US US17/299,283 patent/US20220049697A1/en not_active Abandoned
- 2019-11-14 WO PCT/EP2019/081324 patent/WO2020120064A1/de active Application Filing
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE504283C (de) * | 1926-11-24 | 1930-08-02 | Georg Koeppel | Einrichtung zur Leistungsaenderung von Drehkolbenpumpen, insbesondere Schraubenpumpen |
US2171146A (en) * | 1936-12-02 | 1939-08-29 | Imo Industri Ab | Hydraulic rotary engine |
DE2441520A1 (de) * | 1973-09-03 | 1975-03-06 | Svenska Rotor Maskiner Ab | Wellendichtung fuer schraubenrotorverdichter |
EP0134768A1 (de) * | 1983-07-20 | 1985-03-20 | Imo Ab | Schraubenpumpe |
DE102009056218A1 (de) | 2009-11-28 | 2011-06-01 | Robert Bosch Gmbh | Schraubenspindelpumpe mit integriertem Druckbegrenzungsventil |
Also Published As
Publication number | Publication date |
---|---|
DE102018131587A1 (de) | 2020-06-10 |
US20220049697A1 (en) | 2022-02-17 |
BR112021008020A2 (pt) | 2021-08-03 |
CN113227579A (zh) | 2021-08-06 |
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