EP1994283A1 - Verdichter mit schwenkkolben - Google Patents
Verdichter mit schwenkkolbenInfo
- Publication number
- EP1994283A1 EP1994283A1 EP07703444A EP07703444A EP1994283A1 EP 1994283 A1 EP1994283 A1 EP 1994283A1 EP 07703444 A EP07703444 A EP 07703444A EP 07703444 A EP07703444 A EP 07703444A EP 1994283 A1 EP1994283 A1 EP 1994283A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compressor
- piston
- compressor according
- connecting rod
- cylinder
- 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
- 238000007789 sealing Methods 0.000 claims description 19
- 239000002775 capsule Substances 0.000 claims description 12
- 238000004891 communication Methods 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 238000010276 construction Methods 0.000 description 4
- 239000007788 liquid Substances 0.000 description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 239000003345 natural gas Substances 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0005—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00 adaptations of pistons
-
- 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
- F04B37/00—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00
- F04B37/10—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use
- F04B37/18—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use for specific elastic fluids
- F04B37/20—Pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B25/00 - F04B35/00 for special use for specific elastic fluids for wet gases, e.g. wet air
-
- 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
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/12—Casings; Cylinders; Cylinder heads; Fluid connections
- F04B39/121—Casings
Definitions
- the invention relates to a compressor for cryogenic media with at least one compressor cylinder, in which a compressor piston is arranged, wherein the compressor piston is connected by means of a connecting rod with a crankshaft in operative connection.
- compressors for cryogenic media for example nitrogen, natural gas or hydrogen in each liquid or gaseous state
- designs are known in which the compressor piston is arranged longitudinally displaceable in the compressor cylinder to compress a cryogenic medium, for example natural gas or hydrogen.
- the compressor piston performs a linear movement in the compressor cylinder.
- the compressor piston is in this case by means of a connecting rod with a crankshaft in connection, wherein between the compressor piston and the connecting rod, a rotary joint is required.
- the present invention has for its object to provide a compressor of the type mentioned is available, which has a low production cost safe operation and a long service life.
- the compressor piston is designed as a rotary piston. Due to the design of the compressor piston as a rotary piston, which performs a pendulum motion in the compressor cylinder for compressing the cryogenic medium, can by eliminating the hinge between the compressor piston and the connecting rod and the elimination of the linear motion and thus the linear guide of the compressor piston with low construction costs Lubrication of the compressor piston can be ensured, whereby a low service life, a long life of the compressor is achieved.
- a simple drive of the compressor piston results when, according to a preferred embodiment of the invention, the crankshaft as one in a
- Crankshaft housing arranged eccentric shaft is formed. With such an eccentric shaft, the pendulum movement of the compressor cylinder can be achieved in a simple manner.
- the rotary piston according to an embodiment of the invention has a piston head, wherein the connecting rod is rigidly connected to the piston head.
- the connecting rod may be integrally formed, for example, on the piston head. Due to the rigid connection of the piston head with the connecting rod, for example, a connecting rod integrally formed on the piston head, a simple construction with low production costs is achieved.
- the connecting rod is connected to a rotatably mounted on the eccentric connecting rod eye.
- the connecting rod can be connected, for example by means of a screw with the connecting rod, the
- Connecting rod is rotatably mounted by means of a rolling bearing on the eccentric shaft. This can be connected to the eccentric shaft with little construction cost of the rotary piston.
- the rotary piston is provided for sealing against the compressor cylinder with at least one sealing device.
- the sealing device is provided according to an advantageous embodiment with a convex outer surface.
- a convex outer surface of the sealing device is provided according to an advantageous embodiment with a convex outer surface.
- Sealing means is achieved in a simple manner and with low friction losses a seal between the compressor piston and the cylinder wall of the compressor cylinder in the executed by the compressor piston oscillating movement.
- the sealing device is in operative connection with a spring device. With a spring device, the pressure force of the sealing device can be increased to the cylinder wall of the compressor cylinder in a simple manner, whereby a secure seal is achieved.
- the spring device is expediently designed as a wave spring.
- the swivel piston is provided with a groove-shaped recess which is arranged on the piston crown in the circumferential direction and in which the sealing device is arranged.
- the sealing device can be arranged in a simple manner.
- the spring device can also be arranged in a simple manner.
- crankshaft housing is in communication with a buffer container, which is acted on by the outlet pressure generated by the compressor. This will achieve that the bottom of the crankshaft housing
- Piston bottom which is arranged opposite to the arranged in the compressor cylinder and the compressor piston piston top arranged piston top, is acted upon by the output pressure generated by the compressor, whereby the connecting rod in the compressor cycle only has to transmit low compressive forces and can be correspondingly small dimensions.
- the buffer container is formed by a pressure capsule receiving the compressor.
- the arrangement of the compressor in a pressure capsule is achieved that leaks and leaks of the compressor are not released to the environment, but are stored in the pressure capsule.
- the pressure capsule can take over the function of a buffer tank, whereby a separate buffer tank, such as additional buffer bottles, can be omitted.
- the function of the buffer tank having pressure capsule by means of a simple connection bore in the crankcase, that the Crankshaft housing and thus the piston underside is acted upon by the output pressure of the compressor.
- the compressor has a cylinder head in which an inlet channel and an outlet channel are formed, wherein an inlet valve is associated with the inlet channel and an outlet valve is associated with the outlet channel and the inlet channel is provided with a throttle device.
- the intake passage associated throttle device for example, formed in the cylinder head throttle bore of the intake passage, is achieved in a simple manner that at the throttle bore formed by the
- Throttle a pressure drop occurs. When flowing liquid medium, this pressure drop is large due to the higher density of the medium, whereby the medium goes into the gaseous state. When flowing gaseous medium, the pressure drop occurring is correspondingly low. With the throttle point is thus achieved that both an inflowing liquid medium as well as incoming gaseous medium, a nearly constant input density and inlet temperatures of the compressor can be maintained.
- FIG. 1 shows a compressor according to the invention in a perspective longitudinal section
- FIG. 2a shows the compressor at top dead center
- FIG. 2b shows the compressor in the intake stroke
- FIG. 2d shows the compressor in the compressor cycle
- Figure 4 shows the section through the cylinder head and Figure 5 shows the wave spring in a plan view.
- FIG. 1 shows a compressor 1 according to the invention in a longitudinal section.
- the compressor has a crankshaft housing 2, in which a crankshaft 3 is rotatably mounted.
- a compressor cylinder 4 is arranged, in which a compressor piston 5 is arranged.
- a compressor chamber 14 is formed between the compressor cylinder 4 and the compressor piston.
- the compressor piston 5 has a connecting rod 6, by means of which the compressor piston 5 is in operative connection with the crankshaft 3.
- a cylinder head 7 is arranged, in which an inlet channel 9 and an outlet channel 10 is formed.
- an inlet valve 1 1 is arranged in the inlet channel 9, an inlet valve 1 1 is arranged in the inlet channel 9, an inlet valve 1 1 is arranged.
- the exhaust passage 10 is provided with an exhaust valve 12.
- the compressor 1 is surrounded by a pressure capsule 13, which is formed by a surrounding the compressor 1 housing.
- the pressure capsule 13 is acted upon by the output pressure generated by the compressor and has the function of a buffer tank.
- the crankshaft housing 2 is provided with a connecting channel 15, for example a connecting bore, which establishes a connection of the pressure capsule 13 with the interior of the crankshaft housing 2. In this way it is achieved that the piston underside 22 of the compressor piston 5 is acted upon by the pending in the pressure capsule 13 output pressure of the compressor 1.
- the compressor piston 5 is inventively designed as a rotary piston 16 having a piston head 17 on which the connecting rod 6 is integrally formed.
- the connecting rod 6 is attached to a connecting rod 18, for example by means of a screw which is rotatably supported by a rolling bearing 19 on the crankshaft 3.
- the crankshaft 3 is in this case designed as an eccentric shaft with an eccentric 20 arranged on the crankshaft 3, on which the rolling bearing 19 and thus the connecting rod eye 18 are arranged.
- the compressor piston 5 is provided with a sealing device 26 which bears against the cylinder wall 27 of the compressor cylinder 4.
- the compressor 1 is shown at top dead center.
- Compressor 1 via the bottom dead center shown in the figure 2c in the compressor cycle shown in Figure 2d, is conveyed in the compressed medium in the outlet channel 10.
- the connecting channel 15 By connecting the interior of the crankcase 2 with the pressure capsule 13 by means of the connecting channel 15 is achieved that the piston bottom 22 of the rotary piston 16 is acted upon by the pending in the pressure capsule 13 output pressure, whereby the connecting rod 6 only has to transmit low compressive forces in the compressor cycle.
- the trained as a rotary piston 16 compressor piston 5 performs this in the intake stroke and compressor stroke a pendulum movement.
- the rotary piston 6 is shown in the region of the piston head 17.
- the pivot piston 16 is provided in the region of the piston head 6 with a circumferentially arranged groove-shaped recess 25 in which the sealing device 26 is arranged.
- the sealing device 26 is in this case provided with a, the cylinder wall 27 of the compressor cylinder 4 facing the convex outer surface 28.
- a spring device 29 is further arranged by means of which the sealing device 26 is pressed against the cylinder wall 27.
- the spring means 29 is hierbei- as shown in Figure 5 - formed as a wave spring 30 with a wavy shape.
- the cylinder head 7 is shown in a longitudinal section.
- the cylinder head 7 is provided with the intake passage 9 and the exhaust passage 10 and faces Connecting bores 35 for connecting the inlet channel 9 and the outlet channel 10 with the displacement chamber 14.
- the inlet channel 9 is provided with a diameter constriction 36, which forms a restrictor 37 for the inflowing medium.
- a diameter constriction 36 which forms a restrictor 37 for the inflowing medium.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102006011560A DE102006011560A1 (de) | 2006-03-10 | 2006-03-10 | Verdichter mit Schwenkkolben |
| PCT/EP2007/001251 WO2007104399A1 (de) | 2006-03-10 | 2007-02-13 | Verdichter mit schwenkkolben |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1994283A1 true EP1994283A1 (de) | 2008-11-26 |
| EP1994283B1 EP1994283B1 (de) | 2009-10-21 |
Family
ID=37950625
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP07703444A Not-in-force EP1994283B1 (de) | 2006-03-10 | 2007-02-13 | Verdichter mit schwenkkolben |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20090136373A1 (de) |
| EP (1) | EP1994283B1 (de) |
| AT (1) | ATE446448T1 (de) |
| DE (2) | DE102006011560A1 (de) |
| WO (1) | WO2007104399A1 (de) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102548686B (zh) | 2009-09-22 | 2016-08-03 | Ksm铸造集团有限公司 | 真空压铸设备以及运行真空压铸设备的方法 |
| DE102010011050A1 (de) | 2009-10-20 | 2011-04-21 | Linde Aktiengesellschaft | Verdichter in Schwenkkolbenbauweise |
| ITMO20100060A1 (it) | 2010-03-10 | 2011-09-11 | Giovanni Morselli | Macchina per modificare la pressione di aria o aeriformi. |
| JP5381891B2 (ja) * | 2010-05-11 | 2014-01-08 | マックス株式会社 | ロッキングピストンのシール構造 |
| DE102012007291A1 (de) | 2012-04-12 | 2013-10-17 | Linde Aktiengesellschaft | Verdichter für tiefkalte Gase oder Flüssigkeiten |
| CN108266376B (zh) * | 2017-12-19 | 2024-05-24 | 珠海格力节能环保制冷技术研究中心有限公司 | 泵体组件、流体机械及换热设备 |
| JP7554044B2 (ja) * | 2019-10-01 | 2024-09-19 | 株式会社日立産機システム | 圧縮機 |
| JP2023134865A (ja) * | 2022-03-15 | 2023-09-28 | 株式会社日立産機システム | 圧縮機 |
| EP4711647A1 (de) * | 2024-09-13 | 2026-03-18 | KB Intellectual Property GmbH & Co. KG | Taumelkolbenring, taumelkolben und hubkolbenmaschine |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB683852A (en) * | 1949-12-08 | 1952-12-03 | S E P A Soc D Expl Des Procede | Improvements in compressors, particularly for refrigerating purposes |
| DE1193632B (de) * | 1962-12-11 | 1965-05-26 | Bosch Gmbh Robert | Kolben fuer Tauchkolben-Verdichter, insbesondere zu Druckluftanlagen in Kraftfahrzeugen |
| JPH0631615B2 (ja) * | 1986-12-16 | 1994-04-27 | 三菱電機株式会社 | ガス圧縮機 |
| JPH07293446A (ja) * | 1994-04-28 | 1995-11-07 | Zexel Corp | エアコンプレッサ |
| US5584675A (en) * | 1995-09-15 | 1996-12-17 | Devilbiss Air Power Company | Cylinder sleeve for an air compressor |
| GB2310464A (en) * | 1996-02-20 | 1997-08-27 | Henry John Levington | Improvements relating to vacuum pumps |
| DE29717654U1 (de) * | 1997-10-02 | 1998-11-12 | Alusuisse Bayrisches Druckguß-Werk GmbH & Co. KG, 85570 Markt Schwaben | Kolben für einen Kolbenverdichter |
| US6634870B2 (en) * | 2002-01-03 | 2003-10-21 | Tecumseh Products Company | Hermetic compressor having improved motor cooling |
| AT414269B (de) * | 2002-07-24 | 2006-10-15 | Ventrex Automotive Gmbh | Einrichtung zur verdichtung von gasen |
-
2006
- 2006-03-10 DE DE102006011560A patent/DE102006011560A1/de not_active Withdrawn
-
2007
- 2007-02-13 WO PCT/EP2007/001251 patent/WO2007104399A1/de not_active Ceased
- 2007-02-13 US US12/280,709 patent/US20090136373A1/en not_active Abandoned
- 2007-02-13 DE DE502007001801T patent/DE502007001801D1/de active Active
- 2007-02-13 EP EP07703444A patent/EP1994283B1/de not_active Not-in-force
- 2007-02-13 AT AT07703444T patent/ATE446448T1/de active
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2007104399A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| DE502007001801D1 (de) | 2009-12-03 |
| WO2007104399A1 (de) | 2007-09-20 |
| ATE446448T1 (de) | 2009-11-15 |
| DE102006011560A1 (de) | 2007-09-13 |
| US20090136373A1 (en) | 2009-05-28 |
| EP1994283B1 (de) | 2009-10-21 |
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