EP1831550A1 - Reciprocating piston machine - Google Patents
Reciprocating piston machineInfo
- Publication number
- EP1831550A1 EP1831550A1 EP05800589A EP05800589A EP1831550A1 EP 1831550 A1 EP1831550 A1 EP 1831550A1 EP 05800589 A EP05800589 A EP 05800589A EP 05800589 A EP05800589 A EP 05800589A EP 1831550 A1 EP1831550 A1 EP 1831550A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- bearing
- radial
- bearing sleeve
- collar
- 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.)
- Granted
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
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/10—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having stationary cylinders
- F04B27/1036—Component parts, details, e.g. sealings, lubrication
- F04B27/1054—Actuating elements
- F04B27/1063—Actuating-element bearing means or driving-axis bearing means
Definitions
- the invention relates to a reciprocating piston engine, such as an air-conditioning compressor for motor vehicles, having a housing, having a rotationally driven shaft, having a shaft sealing device, in particular a mechanical seal, having at least one radial shaft bearing, in particular a radial rolling bearing, having at least one axial shaft bearing, in particular an axial shaft bearing.
- a reciprocating piston engine such as an air-conditioning compressor for motor vehicles, having a housing, having a rotationally driven shaft, having a shaft sealing device, in particular a mechanical seal, having at least one radial shaft bearing, in particular a radial rolling bearing, having at least one axial shaft bearing, in particular an axial shaft bearing.
- xialen roller bearing wherein in the housing within an opening into the housing hinein ⁇ projecting bearing sleeve is arranged, which receives at least the radial shaft bearing.
- the bearing sleeve and the housing is connected to each other for example by a weld, wherein the weld is arranged in an area with high alternating loads and in the case of failure of the weld there is the possibility that solve parts of the Ge housing.
- a reciprocating piston engine such as air conditioning compressor for motor vehicles, with a housing, with a shaft rotatable, with a shaft sealing device, in particular a mechanical seal, with at least one radial shaft bearing, in particular a radial rolling bearing, with at least one axial shaft bearing, in particular an axial roller bearing, wherein in the housing within a opening a hinein ⁇ in the housing hinein ⁇ projecting bearing sleeve is arranged, which receives at least the radial shaft bearing, wherein the bearing sleeve has a first collar, seen in the axial direction, on the housing side of in ⁇ NEN outside, within the housing on an annular support surface in a Aus ⁇ recess within the housing comes into abutment, so that on the bearing sleeve, seen from the housing side, from the inside to the outside acting axial forces form-fitting from the housing numeronom ⁇ men (introduced into the housing) can be ,
- a reciprocating piston engine in which the first bearing collar a second, smaller-diameter collar, seen from the housing side, from the inside to the outside, axially upstream, which engages through an opening of the housing. Furthermore, a reciprocating engine is preferred in which the first collar with the second collar represents a common stepped collar, which passes through the opening of the housing in a form-fitting manner in the radial and axial directions.
- a reciprocating piston engine according to the invention is characterized in that the radial outer region of the second collar with the radial inner region of the opening of the housing represents a common area for introducing a weld seam.
- a reciprocating engine is preferred in which the bearing sleeve receives the axial shaft bearing on an axial end face within the housing. Furthermore, a reciprocating piston engine is preferred in which the bearing sleeve receives the radial shaft bearing within a radial recess. Also, a reciprocating engine is preferred in which the bearing sleeve receives within a further radial recess a mechanical seal.
- a further reciprocating piston engine according to the invention is characterized in that the bearing sleeve has lubricant openings for the mechanical seal and the radial shaft bearing between the regions in which the mechanical seal and the radial shaft position are arranged. Also, a reciprocating engine is preferred in which the bearing sleeve radially outwardly within the housing has a groove which serves as a lubricant collecting groove and contains the lubricant openings.
- a further reciprocating piston engine according to the invention is characterized in that the bearing sleeve outside the housing has a region for receiving a rolling bearing of a Rie ⁇ menular.
- Figure 1 shows a bearing sleeve according to the invention in cross section in a part of the housing.
- FIG. 2 shows in section a compressor in the region of the bearing sleeve according to the invention.
- Figure 3 shows a perspective view of a bearing sleeve according to the invention and the corresponding housing.
- a bearing sleeve 5 is inserted in an opening 3.
- the opening 3 has a smaller diameter part 7 and larger diameter part 9, so that the opening 3 is practically represented as a stepped annular opening.
- the larger diameter part 9 of the stepped bore of the housing is slightly widened by a radial outward-running undercut.
- this stepped Ausneh ⁇ tion 3 of the housing 1 engages the bearing sleeve 5 with a smaller diameter collar 13 and a larger diameter collar 15, so that an axial bearing surface 17 between the bearing sleeve 5 and the housing part 1 results.
- FIG. 2 shows a cross section through the corresponding part of the air conditioning compressor with the housing part 1 and the bearing sleeve 5.
- the bearing sleeve 5 is penetrated by a drive shaft 23, which is mounted with an axial shaft bearing 25 on an axial end surface 27 of the bearing sleeve 5. Furthermore, in the region 29 of the bearing sleeve 5, the shaft 23 with a mounted radial roller bearing 31.
- a Gleitring ⁇ seal with a fixed part 35 and a rotating member 37 is arranged.
- lubricant passage openings 39 are arranged inside the sleeve, which open outwardly from the interior of the sleeve 5 in a circumferential groove 41 around the sleeve 5.
- the groove 41 serves as a lubricant collecting groove in the drive chamber of the compressor and via the openings 39 directs the lubricant into the area of the bearing sleeve between the mechanical seal 35/37 and the radial roller bearing 31.
- a rolling bearing 45 is arranged, which supports the pulley 47.
- both the bearing surfaces for the radial roller bearing 31 and the radial roller bearing 45 can be produced in a voltage, and thus a tolerance-favorable machining can be realized.
- a small component can be used for machining the bearing seats, which is easier to clamp and to handle than a large one-piece one Housing, which otherwise would have to have these corresponding bearing seats.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Valve Device For Special Equipments (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004053483 | 2004-11-05 | ||
PCT/DE2005/001869 WO2006047985A1 (en) | 2004-11-05 | 2005-10-20 | Reciprocating piston machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1831550A1 true EP1831550A1 (en) | 2007-09-12 |
EP1831550B1 EP1831550B1 (en) | 2008-03-19 |
Family
ID=35448023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP05800589A Not-in-force EP1831550B1 (en) | 2004-11-05 | 2005-10-20 | Reciprocating piston machine |
Country Status (7)
Country | Link |
---|---|
US (1) | US8322270B2 (en) |
EP (1) | EP1831550B1 (en) |
JP (1) | JP4928459B2 (en) |
CN (1) | CN100570153C (en) |
AT (1) | ATE389802T1 (en) |
DE (1) | DE502005003400D1 (en) |
WO (1) | WO2006047985A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8529192B2 (en) * | 2010-09-15 | 2013-09-10 | Hamilton Sundstrand Corporation | Thrust bearing shaft for thrust and journal air bearing cooling in a compressor |
US8517665B2 (en) * | 2010-12-21 | 2013-08-27 | Hamilton Sundstrand Corporation | Thrust bearing shaft for thrust and journal air bearing cooling in an air machine |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2852320A (en) * | 1956-09-04 | 1958-09-16 | Richard T Cornelius | Bearing construction |
US2929551A (en) * | 1956-09-17 | 1960-03-22 | Gen Motors Corp | Refrigerating apparatus |
US3018145A (en) * | 1959-05-04 | 1962-01-23 | Stewart Warner Corp | Bearing |
US3424507A (en) * | 1966-08-02 | 1969-01-28 | Torrington Co | Water pump bearing |
US3552886A (en) * | 1968-11-13 | 1971-01-05 | Mitchell Co John E | Compressor unit with self-contained drive means |
US3746475A (en) * | 1971-02-03 | 1973-07-17 | Gen Motors Corp | Double-acting swashplate compressor |
JPS51108308A (en) * | 1975-03-19 | 1976-09-25 | Sankyo Denki Co Ltd | YODOSHIKI ATSUSHUKUKI |
CA1140515A (en) * | 1978-12-04 | 1983-02-01 | Byron L. Brucken | Swash plate compressor |
JPS5615469A (en) * | 1979-07-13 | 1981-02-14 | Kowa Gousen Kiyoudoukumiai | Polypropylene fabric having mutually melt adhered fiber and production |
JPS5728184A (en) * | 1980-07-29 | 1982-02-15 | Toa Doro Kogyo Kk | Coloring material for sodding and post-planting care and its preparation |
JPS636470Y2 (en) * | 1980-08-04 | 1988-02-23 | ||
JPH0310387Y2 (en) * | 1986-09-26 | 1991-03-14 | ||
DE4211695C2 (en) * | 1991-04-08 | 1996-11-14 | Zexel Corp | Swash plate compressor |
JP4083340B2 (en) * | 1999-03-30 | 2008-04-30 | カルソニックカンセイ株式会社 | Bearing structure of swash plate type variable capacity compressor |
CN1313731C (en) * | 2001-02-02 | 2007-05-02 | 卢克汽车-液压***两合公司 | Reciprocating piston machine |
-
2005
- 2005-10-20 JP JP2007539450A patent/JP4928459B2/en not_active Expired - Fee Related
- 2005-10-20 US US11/666,776 patent/US8322270B2/en not_active Expired - Fee Related
- 2005-10-20 WO PCT/DE2005/001869 patent/WO2006047985A1/en active IP Right Grant
- 2005-10-20 AT AT05800589T patent/ATE389802T1/en not_active IP Right Cessation
- 2005-10-20 DE DE502005003400T patent/DE502005003400D1/en active Active
- 2005-10-20 EP EP05800589A patent/EP1831550B1/en not_active Not-in-force
- 2005-10-20 CN CNB2005800375675A patent/CN100570153C/en not_active Expired - Fee Related
Non-Patent Citations (1)
Title |
---|
See references of WO2006047985A1 * |
Also Published As
Publication number | Publication date |
---|---|
JP4928459B2 (en) | 2012-05-09 |
US20080223210A1 (en) | 2008-09-18 |
WO2006047985A1 (en) | 2006-05-11 |
US8322270B2 (en) | 2012-12-04 |
CN101052803A (en) | 2007-10-10 |
EP1831550B1 (en) | 2008-03-19 |
CN100570153C (en) | 2009-12-16 |
JP2008519199A (en) | 2008-06-05 |
ATE389802T1 (en) | 2008-04-15 |
DE502005003400D1 (en) | 2008-04-30 |
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