EP1886023A1 - Kryoverdichter mit seitlich angeordnetem druckventil - Google Patents
Kryoverdichter mit seitlich angeordnetem druckventilInfo
- Publication number
- EP1886023A1 EP1886023A1 EP06742944A EP06742944A EP1886023A1 EP 1886023 A1 EP1886023 A1 EP 1886023A1 EP 06742944 A EP06742944 A EP 06742944A EP 06742944 A EP06742944 A EP 06742944A EP 1886023 A1 EP1886023 A1 EP 1886023A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- compressor
- compressor piston
- pressure valve
- end position
- piston
- 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
- 239000007788 liquid Substances 0.000 claims description 13
- 239000001257 hydrogen Substances 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims description 3
- 230000006835 compression Effects 0.000 abstract description 10
- 238000007906 compression Methods 0.000 abstract description 10
- 238000000034 method Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 6
- 239000012071 phase Substances 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 238000005056 compaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000003949 liquefied natural gas Substances 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 238000007789 sealing Methods 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
- F04B39/10—Adaptations or arrangements of distribution members
-
- 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
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
- F04B15/06—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure
- F04B15/08—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts for liquids near their boiling point, e.g. under subnormal pressure the liquids having low boiling points
-
- 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
- F04B39/10—Adaptations or arrangements of distribution members
- F04B39/102—Adaptations or arrangements of distribution members the members being disc valves
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/10—Valves; Arrangement of valves
Definitions
- the invention relates to a compressor, in particular compressors for cryogenic media, preferably for liquid hydrogen, comprising a cylinder wall surrounded by a compressor chamber in which a compressor piston is moved linearly, a suction valve and a pressure valve, wherein both valves arranged in the region of the lower end position of the compressor piston are.
- cryogenic media are to be understood below as cryogenic liquids, in particular liquid hydrogen, liquefied natural gas, liquid nitrogen, liquid oxygen and other liquefied gases.
- Compressors of any kind are well known in the art. They all have in common that passed through a spring-loaded suction valve, the medium to be compressed in a compressor room, compressed and then withdrawn via a spring-loaded pressure valve from the compressor room.
- FIG. 1 shows in a laterally schematic sectional illustration a generic compressor construction belonging to the prior art.
- a compressor piston K is moved linearly back and forth or up and down within a compressor chamber R surrounded by a cylinder wall Z.
- the two reversal points of the compressor piston K ' are referred to below as the lower and upper end position of the compressor piston K'.
- a suction valve S and a pressure valve D 1 are arranged on the underside of the cylinder chamber.
- About the suction valve S occurs during the suction cycle - while the compressor piston K 1 moves from its lower end into its upper end position, in the present case from bottom to top - the liquid medium to be compressed in the compressor chamber R.
- the compressor piston K 1 moves from its upper again to its lower end position, which is shown in the figure 1 - the compressed medium via the pressure valve D 'from the compressor chamber R is pushed or ejected , Especially during the liquid compression of a liquid cryogenic medium, a gas phase G inevitably occurs during compaction.
- Cylinder space Z to lead and thus reduce the dead space or "eliminate". This is due to the fact that the dead space of compressors is optimized. Due to the length expansions during cooling, a certain dead space can not be prevented. If no dead space was provided, the valves could not be integrated into the compressor.
- Object of the present invention is to provide a generic compressor, in particular a generic compressor for cryogenic media, specify, in which the aforementioned disadvantages can be avoided.
- a generic compressor is proposed, which is characterized in that the pressure valve in the region of the lower end position of the compressor piston is arranged laterally on the cylinder wall and the head of the compressor piston has a conical shape.
- Figure 2 shows - as already the figure 1 - a lateral schematic sectional view through a possible embodiment of the compressor according to the invention.
- the compressor piston K is now in its lower end position at the end of the pressure or compression cycle - as shown in FIG. 2 - the remaining dead space G filled with gaseous medium is now substantially smaller than that shown in FIG compressor design. Furthermore, because of the conical shape x of the compressor piston K, there is or is a "connection" to the pressure valve D, so that the compressed cryogenic medium can be expelled from the dead space via the pressure valve D.
- compressor according to the invention it is achieved that the gas content in the compressor chamber at the end of the pressure or compression cycle is completely eliminated or at least largely reduced; this results in a higher capacity compared to known compressor designs.
- a reduction of the specific compressor capacity relative to the amount of the conveyed or compressed medium can be achieved.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Compressor (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Safety Valves (AREA)
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102005024888A DE102005024888A1 (de) | 2005-05-31 | 2005-05-31 | Kryoverdichter mit seitlich angeordnetem Druckventil |
| PCT/EP2006/004624 WO2006128581A1 (de) | 2005-05-31 | 2006-05-16 | Kryoverdichter mit seitlich angeordnetem druckventil |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP1886023A1 true EP1886023A1 (de) | 2008-02-13 |
| EP1886023B1 EP1886023B1 (de) | 2008-11-05 |
Family
ID=36685726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP06742944A Expired - Lifetime EP1886023B1 (de) | 2005-05-31 | 2006-05-16 | Kryoverdichter mit seitlich angeordnetem druckventil |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US20080206080A1 (de) |
| EP (1) | EP1886023B1 (de) |
| KR (1) | KR20080011173A (de) |
| CN (1) | CN101189435A (de) |
| AT (1) | ATE413530T1 (de) |
| DE (2) | DE102005024888A1 (de) |
| ES (1) | ES2317539T3 (de) |
| WO (1) | WO2006128581A1 (de) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102005028200A1 (de) * | 2005-06-17 | 2006-12-21 | Linde Ag | Kryoverdichter mit Hochdruckphasentrenner |
| DE102008061904A1 (de) * | 2008-12-15 | 2010-06-17 | Alldos Eichler Gmbh | Verfahren und Vorrichtung zur Entgasung des Förderraums einer Dosierpumpe |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3456595A (en) * | 1966-09-20 | 1969-07-22 | Union Carbide Corp | Cryogenic liquid metering pump |
| DE2215983A1 (de) * | 1972-04-01 | 1973-10-11 | Bosch Gmbh Robert | Druckventileinrichtung fuer tauchkolbenkompressoren |
| DE3005608A1 (de) * | 1980-02-15 | 1981-08-20 | Linde Ag, 6200 Wiesbaden | Kolbenpumpe |
| WO1990014626A1 (en) * | 1989-05-15 | 1990-11-29 | Dallas Semiconductor Corporation | Systems with data-token/one-wire-bus |
| US5411374A (en) * | 1993-03-30 | 1995-05-02 | Process Systems International, Inc. | Cryogenic fluid pump system and method of pumping cryogenic fluid |
| DE10118930A1 (de) * | 2001-04-18 | 2002-10-24 | Wabco Gmbh & Co Ohg | Zylinderkopf, insbesondere für Kompressoren und Verdichter |
-
2005
- 2005-05-31 DE DE102005024888A patent/DE102005024888A1/de not_active Withdrawn
-
2006
- 2006-05-16 CN CNA2006800191905A patent/CN101189435A/zh active Pending
- 2006-05-16 EP EP06742944A patent/EP1886023B1/de not_active Expired - Lifetime
- 2006-05-16 ES ES06742944T patent/ES2317539T3/es not_active Expired - Lifetime
- 2006-05-16 AT AT06742944T patent/ATE413530T1/de not_active IP Right Cessation
- 2006-05-16 WO PCT/EP2006/004624 patent/WO2006128581A1/de not_active Ceased
- 2006-05-16 US US11/915,937 patent/US20080206080A1/en not_active Abandoned
- 2006-05-16 KR KR1020077024809A patent/KR20080011173A/ko not_active Withdrawn
- 2006-05-16 DE DE502006002015T patent/DE502006002015D1/de not_active Expired - Lifetime
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2006128581A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| ATE413530T1 (de) | 2008-11-15 |
| US20080206080A1 (en) | 2008-08-28 |
| ES2317539T3 (es) | 2009-04-16 |
| WO2006128581A1 (de) | 2006-12-07 |
| EP1886023B1 (de) | 2008-11-05 |
| CN101189435A (zh) | 2008-05-28 |
| KR20080011173A (ko) | 2008-01-31 |
| DE102005024888A1 (de) | 2006-12-07 |
| DE502006002015D1 (de) | 2008-12-18 |
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