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EP4325056A3 - Scroll machine and refrigeration system - Google Patents

Scroll machine and refrigeration system Download PDF

Info

Publication number
EP4325056A3
EP4325056A3 EP23181522.6A EP23181522A EP4325056A3 EP 4325056 A3 EP4325056 A3 EP 4325056A3 EP 23181522 A EP23181522 A EP 23181522A EP 4325056 A3 EP4325056 A3 EP 4325056A3
Authority
EP
European Patent Office
Prior art keywords
spiral
base
unit
spiral unit
scroll machine
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.)
Pending
Application number
EP23181522.6A
Other languages
German (de)
French (fr)
Other versions
EP4325056A2 (en
Inventor
Christian Scharer
Markus Hauser
Klaus Feller
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bitzer Kuehlmaschinenbau GmbH and Co KG
Original Assignee
Bitzer Kuehlmaschinenbau GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Bitzer Kuehlmaschinenbau GmbH and Co KG filed Critical Bitzer Kuehlmaschinenbau GmbH and Co KG
Publication of EP4325056A2 publication Critical patent/EP4325056A2/en
Publication of EP4325056A3 publication Critical patent/EP4325056A3/en
Pending legal-status Critical Current

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
    • 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
    • F04C18/0207—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 both members having co-operating elements in spiral form
    • F04C18/0215—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 both members having co-operating elements in spiral form where only one member is moving
    • 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
    • F04C18/0207—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 both members having co-operating elements in spiral form
    • F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
    • 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
    • F04C18/0207—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 both members having co-operating elements in spiral form
    • F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
    • F04C18/0253—Details concerning the base
    • 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
    • F04C18/0207—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 both members having co-operating elements in spiral form
    • F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
    • F04C18/0253—Details concerning the base
    • F04C18/0261—Details of the ports, e.g. location, number, geometry
    • 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
    • F04C18/0207—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 both members having co-operating elements in spiral form
    • F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
    • F04C18/0269—Details concerning the involute wraps
    • 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
    • F04C18/0207—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 both members having co-operating elements in spiral form
    • F04C18/0246—Details concerning the involute wraps or their base, e.g. geometry
    • F04C18/0269—Details concerning the involute wraps
    • F04C18/0284—Details of the wrap tips
    • 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
    • F04C27/00—Sealing arrangements in 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
    • F04C27/00—Sealing arrangements in rotary-piston pumps specially adapted for elastic fluids
    • F04C27/005—Axial sealings for working fluid
    • 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
    • F04C29/0007—Injection of a fluid in the working chamber for sealing, cooling and lubricating
    • 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
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/801—Wear plates
    • 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
    • F04C2240/00—Components
    • F04C2240/80—Other components
    • F04C2240/802—Liners
    • 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
    • F04C23/00—Combinations of two or more pumps, each being of rotary-piston or oscillating-piston type, specially adapted for elastic fluids; Pumping installations specially adapted for elastic fluids; Multi-stage pumps specially adapted for elastic fluids
    • F04C23/008—Hermetic pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Rotary Pumps (AREA)

Abstract

Scrollmaschine (2), insbesondere Spiralverdichter, aufweisend eine erste Spiraleinheit (100) mit einem Boden (130) und eine von dem Boden (130) abstehende Spiralrippe (110) mit einer Spiralrippenspitze (160), eine zweite Spiraleinheit (200) mit einem Boden (230) und einer von dem Boden (230) abstehende Spiralrippe (210) mit einer Spiralrippenspitze (260), wobei die erste Spiraleinheit (100) relativ zu der zweiten Spiraleinheit (200) entlang einer Orbitalbahn bewegt werden kann und die erste Spiraleinheit (100) und die zweite Spiraleinheit (200) zur Bildung von Druckkammern ineinandergreifen und dabei die Spiralrippe (110) einer eine Stirndichtung (170) aufweisenden Spiralrippenspitze (110, 210) an den Boden (130, 230) der jeweils anderen Spiraleinheit (100, 200) dichtend anliegen, wobei der Boden (130) der ersten Spiraleinheit (100) und/oder der Boden (230) der zweiten Spiraleinheit (200) eine Tasche (132, 232) mit einem in der Tasche (132, 232) angeordneten Einlegeblech (136, 236) umfassen bzw. umfasst.Scroll machine (2), in particular a spiral compressor, comprising a first spiral unit (100) with a base (130) and a spiral rib (110) protruding from the base (130) with a spiral rib tip (160), a second spiral unit (200) with a base (230) and a spiral rib (210) protruding from the base (230) with a spiral rib tip (260), wherein the first spiral unit (100) can be moved relative to the second spiral unit (200) along an orbital path and the first spiral unit (100) and the second spiral unit (200) engage with one another to form pressure chambers and the spiral rib (110) of a spiral rib tip (110, 210) having an end seal (170) lies sealingly against the base (130, 230) of the other spiral unit (100, 200), wherein the base (130) of the first Spiral unit (100) and/or the bottom (230) of the second spiral unit (200) comprise or comprises a pocket (132, 232) with an insert plate (136, 236) arranged in the pocket (132, 232).

Kälteanlage mit einer solchen Scrollmaschine (2).

Figure imgaf001
Refrigeration system with such a scroll machine (2).
Figure imgaf001
EP23181522.6A 2022-08-16 2023-06-26 Scroll machine and refrigeration system Pending EP4325056A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102022120681.5A DE102022120681A1 (en) 2022-08-16 2022-08-16 Scroll machine and refrigeration system

Publications (2)

Publication Number Publication Date
EP4325056A2 EP4325056A2 (en) 2024-02-21
EP4325056A3 true EP4325056A3 (en) 2024-06-19

Family

ID=87047727

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23181522.6A Pending EP4325056A3 (en) 2022-08-16 2023-06-26 Scroll machine and refrigeration system

Country Status (4)

Country Link
US (1) US20240060492A1 (en)
EP (1) EP4325056A3 (en)
CN (1) CN117588411A (en)
DE (1) DE102022120681A1 (en)

Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3442619A1 (en) * 1984-11-19 1986-05-22 Sanden Corp., Isesaki, Gunma SPIRAL FLUID DISPLACEMENT DEVICE
JPH0388983A (en) * 1988-11-25 1991-04-15 Sanden Corp Scroll type compressor
DE69002885T2 (en) * 1989-06-20 1994-01-20 Sanden Corp Spiral displacement system for fluids.
US5421707A (en) * 1994-03-07 1995-06-06 General Motors Corporation Scroll type machine with improved wrap radially outer tip
JPH07269472A (en) * 1988-11-25 1995-10-17 Sanden Corp Scroll compressor
US5702241A (en) * 1995-04-19 1997-12-30 Sanden Corporation Scroll-type fluid displacement apparatus having sealing means for central portions of the wraps
DE69700233T2 (en) * 1996-06-24 1999-11-11 Sanden Corp., Isesaki Spiral displacement machine with axial seal
US20080247895A1 (en) * 2007-04-04 2008-10-09 Caillat Jean-Luc M Injection molded scroll form
KR20100118362A (en) * 2009-04-28 2010-11-05 한라공조주식회사 Scroll compressor
EP2894338A1 (en) * 2012-10-18 2015-07-15 Mitsubishi Heavy Industries, Ltd. Scroll compressor
US20190353162A1 (en) * 2017-02-07 2019-11-21 Ntn Corporation Tip seal for scroll compressor
EP3578823A1 (en) * 2018-06-05 2019-12-11 Mitsubishi Heavy Industries Thermal Systems, Ltd. Compressor and method for manufacturing compressor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6041237B2 (en) * 1981-03-09 1985-09-14 サンデン株式会社 Scroll type fluid device
US5888057A (en) * 1996-06-28 1999-03-30 Sanden Corporation Scroll-type refrigerant fluid compressor having a lubrication path through the orbiting scroll
US7815423B2 (en) * 2005-07-29 2010-10-19 Emerson Climate Technologies, Inc. Compressor with fluid injection system
CN203201801U (en) * 2013-04-02 2013-09-18 上海本菱涡旋压缩机有限公司 Air-supply enthalpy-increasing scroll compressor
JP6610315B2 (en) * 2016-02-09 2019-11-27 株式会社デンソー Scroll compressor
EP3491245B1 (en) 2016-07-27 2024-03-27 BITZER Kühlmaschinenbau GmbH Compressor

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3442619A1 (en) * 1984-11-19 1986-05-22 Sanden Corp., Isesaki, Gunma SPIRAL FLUID DISPLACEMENT DEVICE
JPH0388983A (en) * 1988-11-25 1991-04-15 Sanden Corp Scroll type compressor
JPH07269472A (en) * 1988-11-25 1995-10-17 Sanden Corp Scroll compressor
DE69002885T2 (en) * 1989-06-20 1994-01-20 Sanden Corp Spiral displacement system for fluids.
US5421707A (en) * 1994-03-07 1995-06-06 General Motors Corporation Scroll type machine with improved wrap radially outer tip
US5702241A (en) * 1995-04-19 1997-12-30 Sanden Corporation Scroll-type fluid displacement apparatus having sealing means for central portions of the wraps
DE69700233T2 (en) * 1996-06-24 1999-11-11 Sanden Corp., Isesaki Spiral displacement machine with axial seal
US20080247895A1 (en) * 2007-04-04 2008-10-09 Caillat Jean-Luc M Injection molded scroll form
KR20100118362A (en) * 2009-04-28 2010-11-05 한라공조주식회사 Scroll compressor
EP2894338A1 (en) * 2012-10-18 2015-07-15 Mitsubishi Heavy Industries, Ltd. Scroll compressor
US20190353162A1 (en) * 2017-02-07 2019-11-21 Ntn Corporation Tip seal for scroll compressor
EP3578823A1 (en) * 2018-06-05 2019-12-11 Mitsubishi Heavy Industries Thermal Systems, Ltd. Compressor and method for manufacturing compressor

Also Published As

Publication number Publication date
CN117588411A (en) 2024-02-23
DE102022120681A1 (en) 2024-02-22
EP4325056A2 (en) 2024-02-21
US20240060492A1 (en) 2024-02-22

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