WO2012023916A1 - Роторно-поршневой компрессор - Google Patents
Роторно-поршневой компрессор Download PDFInfo
- Publication number
- WO2012023916A1 WO2012023916A1 PCT/UA2011/000059 UA2011000059W WO2012023916A1 WO 2012023916 A1 WO2012023916 A1 WO 2012023916A1 UA 2011000059 W UA2011000059 W UA 2011000059W WO 2012023916 A1 WO2012023916 A1 WO 2012023916A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- lubricant
- ejector
- crankcase
- housing
- eccentric shaft
- 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/02—Lubrication; Lubricant separation
-
- 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
- F04C29/02—Lubrication; Lubricant separation
- F04C29/028—Means for improving or restricting lubricant flow
-
- 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
-
- 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
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
-
- 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
- F04C18/02—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents
- F04C18/04—Rotary-piston pumps specially adapted for elastic fluids of arcuate-engagement type, i.e. with circular translatory movement of co-operating members, each member having the same number of teeth or tooth-equivalents of internal-axis 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
- F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
- F04C18/22—Rotary-piston pumps specially adapted for elastic fluids of internal-axis type with equidirectional movement of co-operating members at the points of engagement, or with one of the co-operating members being stationary, the inner member having more teeth or tooth equivalents than the outer member
-
- 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
-
- 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
- F04C29/06—Silencing
- F04C29/068—Silencing the silencing means being arranged inside the pump housing
Definitions
- the invention relates to the field of compressor engineering and can be used in stationary and transport gas (air) and refrigeration units, air conditioners and heat pumps.
- a rotary piston compressor comprising an epitrochoid housing with front and rear side covers and a rotor located in its cavity located on an eccentric shaft, while the housing, side covers and rotor form working chambers of variable volume, a lubrication system for compressor working surfaces containing an oil tank for lubricant content, a lubricant spraying device in the form of an ejector, the nozzle of which is communicated by a tube with the mentioned oil tank, and a system of channels made in an eccentric shaft and connecting the ejector to working chambers (A.S. USSR L 315800, publ. 10/01/1971, bull. N ° 29).
- an oil tank is required that is not structurally included in the compressor located outside it, as well as an ejector with oil lines. At low ambient temperatures, which reach up to minus 55 ° ⁇ under operating conditions, the oil thickens so much that without its forced heating in the oil tank by unauthorized persons the source of heat, the ejector (and, perhaps, of a different type of pump) cannot suck it from the oil tank and give it to the consumer.
- the ejector works only in the presence of a certain pressure drop, while in operation it can be (significantly) lower, for example, when performing sandblasting, painting and other work, in which the ejector does not work.
- the ejector is made of pipes with a small outer diameter - about 8..10 mm, and since they are located outside the compressor, they can easily be damaged (broken) during transportation and operation of the compressor.
- a rotary piston compressor containing an epitrochoidal housing with front and rear side covers and a rotor located in its cavity located on an eccentric shaft, while the housing, side covers and rotor form working chambers of variable volume, a lubricating system of compressor working surfaces having a crankcase for the content of lubricant, a device for spraying lubricant in the form of an ejector, the nozzle of which is communicated with a tube to the bottom of the crankcase, a system of channels connecting the ejector to the working chambers, and a device for zirovaniya supplying lubricant into the axial bore of the eccentric shaft (AS USSR JsTe 1231263, publ. 15.05.1986, Bul. 8, prototype).
- a dispenser is installed in the form of a rotary damper with an actuator equipped with a time relay, which reduces the amount of gas-oil mixture supplied to the shaft during the expansion process.
- the basis of the invention is the task of creating a rotary piston compressor, in which by changing the location of the ejector and switching the channels of the lubrication system, as well as introducing new structural elements, an economical metered supply of lubricant to the rubbing surfaces of the compressor is provided.
- the problem is solved in that in a rotary piston compressor containing an epitrochoid casing with front and rear side covers and placed in its cavity by a rotor located on an eccentric shaft, while the housing, side covers and rotor form the working chambers of variable volume, the lubrication system of the compressor working surfaces having a housing for lubricant, the lubricant spray device in the form of an ejector, the nozzle of which is communicated with the bottom of the tube part of the crankcase, a system of channels connecting the ejector to the working chambers, and a device for dispensing a lubricant supply, according to the invention, the channel system is implemented as a radial or inclined hole I, made in the housing in the expansion zone, and connected to it through a larger diameter chamber of the hole passing axially through the housing, the flange of the rear side cover and the front flange of the crankcase, and connected to the ejector, and radial channels are made on the working surfaces of the side covers for connections
- a buffer volume is made above the spring-loaded valve.
- the split ring can be installed both in the annular groove made in the hole of the rear side cover and in the annular groove made in the body of the eccentric shaft.
- a rotary piston compressor containing an epitrochoid casing with front and rear side covers and placed in the formed casing and cavity covers by a rotor located on an eccentric shaft
- the casing, side covers and rotor form working chambers of variable volume
- a compressor working surface lubrication system having a crankcase for containing lubricant, a lubricant spray device in the form of an ejector, the nozzle of which is communicated with a tube to the bottom of the crankcase, a duct system Connecting the ejector with the working chambers, and a device for dispensing lubricant feed according to the invention installed in the crankcase lubricant spraying additional means formed as a meshed driving and driven gear, while the drive gear is rigidly fixed to the eccentric shaft, and the axis of the driven gear is fixedly mounted in the lower part of the rear side cover so that part of this gear is located below the lower mark of the lubrication level.
- the proposed compressor provides more accurate dosing of the amount supplied to the rubbing parts of the working chambers of oil.
- the ejector works only in the presence of a certain pressure drop, and in operation it can be (significantly) lower, for example, when performing sandblasting, painting and other works, in which the ejector does not work, however, the lubrication system also works , since the oil is sprayed by an additional, duplicating, system consisting of two rotating gears meshed, the lower of which - driven - is constantly located in the oil pan of the crankcase.
- FIG. 1 is a longitudinal section of a compressor
- FIG. 2 is a transverse view of the compressor with the front cover removed
- FIG. 3 and FIG. 4 fragments of the lubrication system
- FIG. 5 and FIG. 6 - options for the location of the metering rings.
- the rotary piston compressor (hereinafter referred to as the compressor) consists of an epitrochoid casing 1, closed from the ends of the front 2 and rear 3 side covers, an eccentric shaft 4, on the eccentric part of which a rotor 5 is mounted.
- a case 6 is attached to the end of the rear side cover 3, closed from the rear end cover of the crankcase 7.
- the lower part of the crankcase is filled with oil (Fig. 1), there is no breather in the crankcase.
- the epitrochoid casing 1, side covers 2, 3 and rotor 5 form working chambers 8 and 9 of variable volume.
- the rotor 5 is depicted in two positions: a solid line, when the volume of the chamber 8 is minimal (harmful), the chamber 9 is the maximum (full), and with a dashed line in the intermediate position, when the inlet window 10 begins to open.
- the discharge valve 11 is installed in the outlet (injection) well of the housing 1.
- radial 12 and end 13 sealing strips are installed, which are pressed to the working surfaces by expanders and provide sealing of the working chambers 8 and 9.
- the lubrication system (Fig. 2, 3 and 4) of the compressor is implemented as an inclined or radial hole 14 made in the working surface of the epitrochoidal housing 1 in the zone of the expansion process and the axial hole 15 connected to it, passing through the epitrochoidal housing 1, rear side flange the cover 3 and the front flange of the crankcase 6, to which the ejector is coaxially connected, consisting of a nozzle 16 and a tube 17 (Figs. 1, 3, 4), while the radial 14 or axial 15 holes in the epitrochoid housing are made coaxially or perpendicularly connected to it and a cylindrical chamber 18 larger than suitable holes 14 and 15 of diameter, closed from the end when the axial arrangement of the chamber by the front side cover 2 (Fig.
- a self-acting valve 20 is installed in the cylindrical chamber 18 in the form of a piston (Figs. 3, 4) or a ball, not shown in the figures.
- An additional buffer volume 21 is attached to the cylindrical chamber 18, and a spring 22 is mounted above the piston (ball); on the working surfaces of the side covers 2 and 3, radial channels 23 are made (FIG. 2), connecting the crankcase cavity 6 with the working chambers 8 and 9 through the annular gap between the eccentric shaft 4 and the rear side cover 3 during the suction process.
- ring grooves are made in it or in the eccentric shaft to install mainly of the anti-friction material of the split rings 24 (Fig. 5) or 25 (Fig. 6), which are pressed against the eccentric shaft 4 ( 5) or to the hole of the rear side cover 3 (Fig.6) by the force of their own elasticity and in the place of the cut have a gap of a given value, which doses the amount of gas-oil mixture supplied to the lubrication of the friction parts of the working chambers.
- the compressor further comprises, inside the crankcase, rigidly fixed to the eccentric shaft 4, the drive gear 26 and the driven gear 27 (FIG. 1), which is constantly engaged with it, mounted on an axis 28, which is fixedly mounted in the tide of the lower part of the rear side cover 3 so that the lower part of the driven gear is constantly in oil regardless of its level.
- the specified gear pair is an additional duplicate means of spraying lubricant.
- the compressor operates as follows.
- the eccentric shaft 4 is driven in rotation from the motor shaft (not shown conditionally). From the eccentric shaft, rotation is transmitted to the rotor 5, which performs a planetary motion, rotating with the shaft and turning relative to it.
- the rotor rotates, the volume of the working chambers 8 and 9 cyclically changes from minimum to maximum, due to which the working process is carried out. 1 and 2, the solid lines of the rotor 5 are shown in the initial position, when the pumping process has ended in the working chamber 8, the suction process has ended in the working chamber 9, inertial replenishment is ongoing.
- the rotor 5 is shown in dashed lines in an intermediate position when the expansion process has ended (or is close to the end) in the working chamber 8 and the inlet window 10 begins to open with the radial bar 12, starting the suction process.
- the gas is sucked in through the inlet window 10.
- a compression process takes place in the working chamber 9, when the discharge pressure is reached, the discharge valve 1 1 opens and the compressed gas is expelled from it.
- the working chambers 8 and 9 are interchanged, then the cycle repeats.
- the compressor is lubricated with a gas-oil mixture.
- the gas having increased pressure is pushed into it, depresses the spring 22 and, as shown in Fig. 3 and 4 moves the piston (ball) 20 to the leftmost position (Fig. 3) or the highest position (Fig. 4), opening the gas flow to the axial hole 15, the ejector nozzle 16 and creating a vacuum in its smaller cross-sectional area, due to which the oil is sucked from the crankcase 6 through the tube 17 and ejected by the nozzle 16 into the crankcase in the form of a finely atomized gas-oil mixture filling the crankcase.
- a piston (ball) 20 is installed, which, under the influence of rarefaction in the working chambers 8 or 9 and the efforts of the spring 22, sit on their seats, completely or partially blocking the passage for gas-oil suction mixtures.
- the lack of a breather also contributes to this.
- Additional buffer volume 21 weakens the effect of pumping strokes and facilitates the movement of the piston (ball) 20.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2013106968/06A RU2535307C2 (ru) | 2010-07-28 | 2011-07-26 | Роторно-поршневой компрессор |
EP11818464.7A EP2647846A4 (en) | 2010-07-28 | 2011-07-26 | ROTARY COMPRESSOR |
CN2011900006351U CN203321830U (zh) | 2010-07-28 | 2011-07-26 | 转子活塞压缩机 |
KR1020137004545A KR20130092568A (ko) | 2010-07-28 | 2011-07-26 | 회전 피스톤 압축기 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UAA201009470 | 2010-07-28 | ||
UAA201009470A UA104999C2 (ru) | 2010-07-28 | 2010-07-28 | Роторно-поршневой компрессор |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012023916A1 true WO2012023916A1 (ru) | 2012-02-23 |
Family
ID=56266868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/UA2011/000059 WO2012023916A1 (ru) | 2010-07-28 | 2011-07-26 | Роторно-поршневой компрессор |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP2647846A4 (ru) |
KR (1) | KR20130092568A (ru) |
CN (2) | CN203321830U (ru) |
RU (1) | RU2535307C2 (ru) |
UA (1) | UA104999C2 (ru) |
WO (1) | WO2012023916A1 (ru) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220136505A1 (en) * | 2019-01-28 | 2022-05-05 | Rpc Engineering Limited Liability Company | Sealing system for a rotary-piston compressor |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10288069B2 (en) | 2013-12-18 | 2019-05-14 | Carrier Corporation | Refrigerant compressor lubricant viscosity enhancement |
CN104454545B (zh) * | 2014-11-27 | 2016-07-06 | 西安交通大学 | 一种带吸气功能的压缩机喷油器 |
CA3056753C (en) * | 2017-04-07 | 2021-04-27 | Stackpole International Engineered Products, Ltd. | Epitrochoidal vacuum pump |
UA122305C2 (ru) * | 2019-04-18 | 2020-10-12 | Борис Георгійович Нехорошев | Роторно-поршневой компрессор (вакуумнасос) |
CN114278567B (zh) * | 2021-12-28 | 2023-02-21 | 安徽杰博恒创航空科技有限公司 | 一种用于空气压缩机的散热装置 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU315800A1 (ru) | Система смазки компрессора | |||
DE3322069A1 (de) * | 1983-06-18 | 1984-12-20 | Armatec FTS-Armaturen GmbH & Co KG, 7988 Wangen | Druckgasmaschine, insbesondere kompressor, mit umlaufschmierung |
SU1160112A1 (ru) * | 1984-01-06 | 1985-06-07 | Хмельницкий Завод Тракторных Агрегатов | Система смазки роторно-поршневого компрессора |
SU1231263A1 (ru) | 1984-11-27 | 1986-05-15 | Харьковский Ордена Ленина Авиационный Институт Им.Н.Е.Жуковского | Роторно-поршневой компрессор |
RU21301U1 (ru) * | 2000-12-21 | 2002-01-10 | Романов Федор Федорович | Роторно-лопастной двигатель внутреннего сгорания |
JP2004092710A (ja) * | 2002-08-30 | 2004-03-25 | Honda Motor Co Ltd | 歯車装置の組み付け方法および歯車装置のオイル潤滑構造 |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1686569A (en) * | 1925-11-19 | 1928-10-09 | Standard Pump & Supply Company | Compressor |
JPS56135780A (en) * | 1980-03-27 | 1981-10-23 | Matsushita Electric Ind Co Ltd | Compressor |
EP0472933B2 (en) * | 1990-08-01 | 2003-12-03 | Matsushita Electric Industrial Co., Ltd. | Fluid rotating apparatus |
-
2010
- 2010-07-28 UA UAA201009470A patent/UA104999C2/ru unknown
-
2011
- 2011-07-26 KR KR1020137004545A patent/KR20130092568A/ko not_active Application Discontinuation
- 2011-07-26 WO PCT/UA2011/000059 patent/WO2012023916A1/ru active Application Filing
- 2011-07-26 EP EP11818464.7A patent/EP2647846A4/en not_active Withdrawn
- 2011-07-26 CN CN2011900006351U patent/CN203321830U/zh not_active Expired - Fee Related
- 2011-07-26 CN CN201320544759.7U patent/CN203641013U/zh not_active Expired - Fee Related
- 2011-07-26 RU RU2013106968/06A patent/RU2535307C2/ru not_active IP Right Cessation
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SU315800A1 (ru) | Система смазки компрессора | |||
DE3322069A1 (de) * | 1983-06-18 | 1984-12-20 | Armatec FTS-Armaturen GmbH & Co KG, 7988 Wangen | Druckgasmaschine, insbesondere kompressor, mit umlaufschmierung |
SU1160112A1 (ru) * | 1984-01-06 | 1985-06-07 | Хмельницкий Завод Тракторных Агрегатов | Система смазки роторно-поршневого компрессора |
SU1231263A1 (ru) | 1984-11-27 | 1986-05-15 | Харьковский Ордена Ленина Авиационный Институт Им.Н.Е.Жуковского | Роторно-поршневой компрессор |
RU21301U1 (ru) * | 2000-12-21 | 2002-01-10 | Романов Федор Федорович | Роторно-лопастной двигатель внутреннего сгорания |
JP2004092710A (ja) * | 2002-08-30 | 2004-03-25 | Honda Motor Co Ltd | 歯車装置の組み付け方法および歯車装置のオイル潤滑構造 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2647846A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20220136505A1 (en) * | 2019-01-28 | 2022-05-05 | Rpc Engineering Limited Liability Company | Sealing system for a rotary-piston compressor |
US11988207B2 (en) * | 2019-01-28 | 2024-05-21 | Rpc Engineering Limited Liability Company | Sealing system for a rotary-piston compressor |
Also Published As
Publication number | Publication date |
---|---|
UA104999C2 (ru) | 2014-04-10 |
KR20130092568A (ko) | 2013-08-20 |
EP2647846A1 (en) | 2013-10-09 |
RU2013106968A (ru) | 2014-09-10 |
CN203321830U (zh) | 2013-12-04 |
EP2647846A4 (en) | 2015-02-25 |
RU2535307C2 (ru) | 2014-12-10 |
CN203641013U (zh) | 2014-06-11 |
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