BR112021008020A2 - bomba de fuso helicoidal regulável - Google Patents
bomba de fuso helicoidal regulável Download PDFInfo
- Publication number
- BR112021008020A2 BR112021008020A2 BR112021008020-1A BR112021008020A BR112021008020A2 BR 112021008020 A2 BR112021008020 A2 BR 112021008020A2 BR 112021008020 A BR112021008020 A BR 112021008020A BR 112021008020 A2 BR112021008020 A2 BR 112021008020A2
- Authority
- BR
- Brazil
- Prior art keywords
- chamber
- spindle
- pump
- valve
- hydraulic
- 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)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018131587.2 | 2018-12-10 | ||
DE102018131587.2A DE102018131587A1 (de) | 2018-12-10 | 2018-12-10 | Regelbare Schraubenspindelpumpe |
PCT/EP2019/081324 WO2020120064A1 (de) | 2018-12-10 | 2019-11-14 | Regelbare schraubenspindelpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
BR112021008020A2 true BR112021008020A2 (pt) | 2021-08-03 |
Family
ID=68610214
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR112021008020-1A BR112021008020A2 (pt) | 2018-12-10 | 2019-11-14 | bomba de fuso helicoidal regulável |
Country Status (5)
Country | Link |
---|---|
US (1) | US20220049697A1 (zh) |
CN (1) | CN113227579A (zh) |
BR (1) | BR112021008020A2 (zh) |
DE (1) | DE102018131587A1 (zh) |
WO (1) | WO2020120064A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102021133106A1 (de) | 2021-12-14 | 2023-06-15 | Leistritz Pumpen Gmbh | Schraubenspindelpumpe |
DE102021133109A1 (de) | 2021-12-14 | 2023-06-15 | Leistritz Pumpen Gmbh | Schraubenspindelpumpe |
DE102021133112A1 (de) | 2021-12-14 | 2023-06-15 | Leistritz Pumpen Gmbh | Schraubenspindelpumpe |
Family Cites Families (15)
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 |
GB1171291A (en) * | 1965-10-12 | 1969-11-19 | Svenska Rotor Maskiner Ab | Screw Rotor Machines |
GB1484994A (en) * | 1973-09-03 | 1977-09-08 | Svenska Rotor Maskiner Ab | Shaft seal system for screw compressors |
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 |
SE439042B (sv) * | 1983-07-20 | 1985-05-28 | Imo Ab | Skruvpump med regleranordning |
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 |
DE102009056218A1 (de) | 2009-11-28 | 2011-06-01 | Robert Bosch Gmbh | Schraubenspindelpumpe mit integriertem Druckbegrenzungsventil |
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 WO PCT/EP2019/081324 patent/WO2020120064A1/de active Application Filing
- 2019-11-14 BR BR112021008020-1A patent/BR112021008020A2/pt not_active Application Discontinuation
- 2019-11-14 CN CN201980081474.4A patent/CN113227579A/zh active Pending
- 2019-11-14 US US17/299,283 patent/US20220049697A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
DE102018131587A1 (de) | 2020-06-10 |
CN113227579A (zh) | 2021-08-06 |
US20220049697A1 (en) | 2022-02-17 |
WO2020120064A1 (de) | 2020-06-18 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
B11Y | Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette] |