Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
  • F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
  • F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
  • F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
  • F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped
  • F04F1/10—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped of multiple type, e.g. with two or more units in parallel
  • F04F1/12—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped of multiple type, e.g. with two or more units in parallel in series
• • 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
  • F04B27/04—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
  • F04B27/06—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement the cylinders being movable, e.g. rotary
• • 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
  • F04B27/0804—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 rotary cylinder block
• • 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
  • F04B39/0011—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 liquid pistons
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
  • F04F1/00—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped
  • F04F1/06—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped
  • F04F1/10—Pumps using positively or negatively pressurised fluid medium acting directly on the liquid to be pumped the fluid medium acting on the surface of the liquid to be pumped of multiple type, e.g. with two or more units in parallel

Definitions

• the invention relates to a compressor with at least one Verdrängerzyiinder, in which a working fluid, in particular an ionic liquid, is arranged and which can be brought into connection with a suction port and a delivery port for medium, wherein the operating fluid is in operative connection with a designed as axial piston pump drive pump.
• a working fluid in particular an ionic liquid
• Such compressors are used for compressing gaseous media.
• the medium is in this case displaced by means of the operating fluid in the displacement cylinder, whereby such compressors are referred to as piston-free compressor.
• an ionic liquid can be used as the operating liquid.
• liquids with a low vapor pressure or liquids with a low gas solubility Such liquids have in common that they do not dissolve in the medium and are separated from the medium residue-free, so that the compressed medium has a high purity.
• the operating fluid is in this case conveyed by means of the axial piston pump designed as a drive pump in the displacement and sucked from the displacement to promote the medium of the suction port in the delivery port and to put under pressure.
• the piston of the axial piston machine which are usually provided with a hydrostatic discharge in Appendix to hold on a slide of the axial piston pump.
• the present invention has for its object to provide a compressor of the type mentioned available, which has a high durability with low construction costs.
• the suction port of the compressor is associated with a supercharger.
• a pre-compressor upstream of the compressor With a pre-compressor upstream of the compressor, a minimal pre-pressure of the medium to be delivered can be generated in a simple manner at the suction connection of the compressor.
• This pre-compressor generated by the supercharger is on the operating fluid, which is in direct contact with the medium to be conveyed, also on the axial piston pump and acts on the piston of the axial piston pump in the suction cycle in the direction of the slide.
• a supercharger according to the invention can thus be achieved with low construction costs and ensured that the pistons are held in abutment against the slide in the axial piston pump without mechanical retraction device or without changes in the retraction device. This makes it easy. Way possible to adjust the life of the axial piston pump without significant changes to the retraction device to the long life of the piston-less compressor, whereby a low construction cost a long life of the compressor can be achieved using a standardized
• the supercharger is designed according to a preferred embodiment of the invention as a screw compressor. Due to the long service life of a pistonless compressor, it is necessary to select a supercharger with a correspondingly long service life in order to prevent the supercharger from being the weakest link in the service life chain.
• a screw compressor does not require operating seals that have high tightness, thereby providing a standard screw compressor has a long life.
• a screw compressor has low pulsations, whereby low noise emissions and low load on the compressor on the suction side can be achieved.
• the supercharger can be lubricated by means of the operating fluid.
• the operating fluid By lubricating the supercharger by the operating fluid is avoided that contamination of the medium to be delivered occurs through the use of the supercharger. Due to the lubrication with the operating fluid, the screw compressor emits only the operating fluid already present in the process, whereby a deterioration in the function of the compressor does not occur.
• a separation device for separating operating fluid located in the conveyed medium is associated with the delivery connection of the compressor.
• Separating device by means of the operating fluid emitted by the compressor into the conveyed medium can be separated from the medium, also from the lubricated with the operating fluid precompressor in the medium emitted operating fluid can be separated. On the suction side of the compressor no further separation device is thus required in order to deposit through the lubricated by the operating fluid screw compressor possibly in the medium to be pumped operating fluid.
• the axial piston pump to a cylinder drum, in which at least one cylinder space is formed, which is in communication with the displacer, wherein in the cylinder chamber, a piston is longitudinally displaceable, which is supported on a slide, in particular an adjustable swash plate is.
• the displacement cylinders are arranged in a cylinder block and are arranged radially. Due to the radial arrangement of Displacement cylinder in a rotating cylinder block is achieved that acts on the working fluid contained in the displacement of a centrifugal force, which allows a high speed of the compressor. This can be achieved with a small space requirement of the compressor, a high flow rate. In addition, only a small amount of operating fluid is required, causing the compressor low production costs and operating costs.
• the cylinder block and the cylinder drum are rotationally synchronously coupled or integrally formed according to a preferred structural embodiment of the invention.
• a pressure of 5-15 bar in particular a pressure of 8-10 bar, can be generated when using a standardized axial piston pump as a drive pump for the operating fluid a safe concern of the piston on the slide formed by the swash plate in Operation of the compressor can be ensured.
• the compressor may be designed to convey liquids.
• a compressor for compressing a gaseous medium in particular of hydrogen
• a pistonless compressor according to the invention in which by means of a standardized supercharger, which is lubricated by the operating fluid, a pre-pressure of the gaseous medium can be generated on the suction side, a standardized axial piston machine can be used as a drive pump for the operating fluid, whereby a low Herstellaufwa ⁇ d with a long Life of the piston-less compressor using standardized components is achievable.
• the figure shows a compressor 1 according to the invention in a longitudinal section.
• a drive shaft 3 is rotatably mounted about a rotation axis 4.
• a cylinder drum 5 is rotatably coupled, in which a plurality of displacement cylinders 6 are formed.
• the displacement cylinder 6 are here designed as arranged in the cylinder drum 5 radial bores 14 and the Rotary axis 4 arranged in a star shape, wherein the longitudinal axis 7 of the displacer cylinder 6 is perpendicular to the axis of rotation 4 of the drive shaft 3 and thus the cylinder drum 5 is arranged.
• the displacement cylinder 6 are in the radially inner region, each with a
• the cylinder drum 5 is in this case supported in the axial direction on the control mirror 9, which is arranged on a housing cover 12 attached to the housing 2.
• operating fluid 15 in particular ionic liquid, is arranged.
• Each displacer cylinder 6 is connected by means of a connecting channel 13 with a cylinder chamber 16 of a hydraulic pump designed as an axial piston pump 17 in swash plate design.
• the drive pump embodied as an axial piston pump 17 in this case has a cylinder block 18 which is arranged coaxially with the cylinder drum 5 and is non-rotatably connected with the cylinder drum 5 or the drive shaft 3. It is also possible to form the cylinder block 18 and the cylinder drum 5 as a common and thus one-piece cylinder drum.
• the cylinder chambers 16 of the Axialkobenpumpe 17 are formed by in the cylinder block 18 concentrically arranged longitudinal bores 20, in each of which a piston 21 are arranged longitudinally displaceable.
• the pistons 21 are supported by means of a sliding shoe 22 on a slide 23, which is formed on a swash plate. Between piston 21 and shoe 22, a spherical Gleitschuhgelenk is formed.
• the axial piston machine 17 is designed as an axial piston machine which is adjustable in the displacement volume, wherein the swash plate provided with the slideway 23 is pivotably mounted on the housing 2 and can be tilted relative to the axis of rotation 4 by means of an adjusting device which is no longer shown.
• the axial piston machine it is also possible to form the axial piston machine with a fixed displacement volume, wherein the swash plate can be formed directly on the housing 2.
• the cylinder drum 5 and the drive pump 17 are arranged in the common housing.
• a pre-compressor 30 is assigned to the suction connection 10 of the compressor 1.
• the supercharger 30 is designed as a screw compressor and lubricated by the operating fluid 15.
• the supercharger 30 generates this at the suction port 10, a pre-pressure of the medium of about 8-10 bar.
• the pre-pressure of the medium acts on the in the displacement cylinder 6, the connecting channels 13 and the cylinder bores 16 operating fluid 15, which is in direct contact with the medium, the piston 21 in the direction of the swash plate formed on the slideway 23. This is in the suction cycle of the Axial piston pump 17 a safe concern of the piston 21 on the slide 23 achieved.
• the delivery port 11 is associated with a separation device 31, with the operating fluid 15 possibly emitted in the delivery port 11 can be separated from the conveyed medium. As a result, a high purity of the pumped medium is achieved.
• Cylinder drum 5 and the cylinder block 18 is driven.
• the axial piston pump delivers operating fluid 15 from the cylinder chambers 16 into the displacer cylinders 6, whereby the medium flowing in via the suction port 10 into the displacer cylinders 6 is compressed by the fluid 15 and conveyed into the delivery port 11.
• a secure abutment of the pistons 21 of the drive pump designed as an axial piston pump 17 on the slideway 23 is ensured by the pre-compressor of the medium generated by the supercharger 30 at the suction port 10.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
• Applications Or Details Of Rotary Compressors (AREA)
• Compressor (AREA)

Applications Claiming Priority (2)

Publications (2)

Family

ID=37102007

Family Applications (1)

Country Status (8)

Families Citing this family (3)

Family Cites Families (7)

• 2005
  • 2005-08-12 DE DE102005038268A patent/DE102005038268A1/de not_active Withdrawn
• 2006
  • 2006-07-25 EP EP06776393A patent/EP1913264B1/fr not_active Not-in-force
  • 2006-07-25 CN CNA2006800293311A patent/CN101243258A/zh active Pending
  • 2006-07-25 AT AT06776393T patent/ATE500424T1/de active
  • 2006-07-25 KR KR1020087003398A patent/KR20080033397A/ko not_active Application Discontinuation
  • 2006-07-25 DE DE502006009012T patent/DE502006009012D1/de active Active
  • 2006-07-25 AU AU2006281714A patent/AU2006281714A1/en not_active Abandoned
  • 2006-07-25 CA CA002618549A patent/CA2618549A1/fr not_active Abandoned
  • 2006-07-25 WO PCT/EP2006/007330 patent/WO2007019947A1/fr active Application Filing

Non-Patent Citations (1)

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