EP3947969A1 - Ensemble carter de compresseur ou de pompe et procédé d'assemblage associé - Google Patents
Ensemble carter de compresseur ou de pompe et procédé d'assemblage associéInfo
- Publication number
- EP3947969A1 EP3947969A1 EP20716766.9A EP20716766A EP3947969A1 EP 3947969 A1 EP3947969 A1 EP 3947969A1 EP 20716766 A EP20716766 A EP 20716766A EP 3947969 A1 EP3947969 A1 EP 3947969A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- housing
- pump
- motor
- closure
- compressor
- 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.)
- Withdrawn
Links
- 238000000034 method Methods 0.000 title claims abstract description 13
- 238000007789 sealing Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 238000005219 brazing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000003825 pressing Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D13/00—Pumping installations or systems
- F04D13/02—Units comprising pumps and their driving means
- F04D13/06—Units comprising pumps and their driving means the pump being electrically driven
-
- 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
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
-
- 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
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
-
- 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
-
- 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
- F04B53/16—Casings; Cylinders; Cylinder liners or heads; Fluid connections
-
- 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
- F04C11/00—Combinations of two or more machines or pumps, each being of rotary-piston or oscillating-piston type; Pumping installations
- F04C11/008—Enclosed motor pump units
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
- F04D25/0606—Units comprising pumps and their driving means the pump being electrically driven the electric motor being specially adapted for integration in the pump
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/624—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/62—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps
- F04D29/628—Mounting; Assembling; Disassembling of radial or helico-centrifugal pumps especially adapted for liquid pumps
-
- 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
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0034—Sealing arrangements in rotary-piston machines or pumps for other than the working fluid, i.e. the sealing arrangements are not between working chambers of the machine
-
- 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
- F04C2230/00—Manufacture
- F04C2230/60—Assembly methods
-
- 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
- F04C2240/30—Casings or housings
Definitions
- the invention relates to a compressor or pump comprising a pump in a pump housing, a motor in a motor housing, which motor comprises a stator and a rotor and drives the pump by a common axle assembly, a pump end cover and a motor end cover.
- the invention further relates to a method of assembly of end covers of a compressor or pump housing.
- a compressor or pump for example for use in relation to mobile transport reefer containers, normally is assembled by three or more parts, a main body containing piston and cylinder, crankshaft assembly and a motor body having a motor end cover.
- a pump body which at an end opposite the motor end, also can be provided with an end cover, here a pump end cover.
- end covers are fastened to the motor and pump bodies or housings by means of a plurality of screws and/or bolts. Between the end covers and the motor or pump body is provided a gasket or seal to ensure that the joint does not leak.
- the idea is to be able to carry out the joints between the above needed main parts, using less material and less machining cost, by use of different embodiments.
- end covers are assembled to pump- and/or motor housings or pump- and/or motor housings each having one closed end, which are assembled to each other by closure means consisting of a set of engagement means, providing a sealed closure to the housing.
- the set of engagement means may be a single set of engagement means.
- the first threading is positioned inside the housings at each end and the second threading is positioned at a rim or outer perimeter of a disc-shaped end closure.
- the length of the threading is dimensioned according to the thickness of the end closure to achieve that when the end closure is screwed in place, the outer surface of the end closure is flush with the end of the housing.
- a stop or a ring having an inner diameter smaller than the inner diameter of the housing is provided inside the housing.
- the end closure abuts the stop which stop can be provided with sealing means, for example a flat ring-shaped gasket or by a groove formed at the end of the stop facing outwards, the groove being provided for accommodating an O-ring as a sealing part.
- the O-ring placed in the groove will seal along an area close to the perimeter of the inner side of the end closure.
- the parts are assembled by a thread joint by having the thread on an outer side of a round going or circumferential flange extending from an inner side of the motor or pump end closure, and on an inner side of the pump and/or motor housing.
- the outer side of the round going or circumferential flange extending from the inner side of the motor or pump end closure has an outer diameter corresponding to the inner side of the pump and/or motor housing in such a way that the threading can engage in a screw connection.
- a compressor or pump housing assembly where the set of engagement means, providing a sealed closure to the housing is mutual engaging threads, a first threading positioned inwards the housing and a second threading positioned at a circumference or an outer side of a round going or circumferential flange extending from an inner side of the motor or pump end closure.
- the parts are assembled by a thread joint by having the thread on an inner side of protruding parts of a round going flange extending from an outer side of the motor or pump end closure or extending from a rim or circumference of the motor or pump end closure, and on an outer side of the pump and/or motor housing.
- the inner side of the protruding parts of the round going flange extending from the outer side of the motor or pump end closure or extending from the rim or circumference of the motor or pump end closure has an inner diameter corresponding to the outer side of the pump and/or motor housing in such a way that the threading can engage in a screw flare connection.
- a compressor or pump housing assembly where the set of engagement means, providing a sealed closure to the housing is mutual engaging threads, a first threading positioned outwards the housing and a second threading positioned on an inner side of a protruding circumference or an inner side of a protruding part of a round going or circumferential flange extending from an outer side of the motor or pump end closure or extending from a rim or circumference of the motor or pump end closure.
- the end closures are mounted to the pump housing and/or motor housing by a press fit connection.
- a compressor or pump housing assembly where the set of engagement means, providing a sealed closure to the housing is a press fit between an inwardly facing area in the housing and an area positioned at a circumference or an outer side of a round going or circumferential flange extending from an inner side of the motor or pump end closure.
- a locked press fit is used to assemble a motor end closure to a motor housing and a pump end closure to a pump housing.
- a groove can be provided in an inner side of the motor housing or in an inner side of the pump housing.
- a locking mechanism formed by a notch extending from an outer circumference of a round going or circumferential and extending flange of the motor- or pump closure, for engagement into the groove of the motor or pump housing, can further cause that the closure is held in place, and the pump or compressor unit is kept sealed.
- a sealing ring for example an O-ring can be placed at an end of the pump- and/or motor housing, providing a sealed closing, securing that oil is kept in place within the housing. All the above joint methods are shown as inside press fit or thread joints but could likewise be outside press fit or outside thread or flare joints as well as combinations of same.
- a compressor or pump housing assembly where the set of engagement means, providing a sealed closure to the housing is a snap fit between an inwardly facing groove in the housing and a protruding hook- member positioned at a circumference or an outer side of a round going or circumferential flange extending from an inner side of the motor or pump end closure.
- the assembly of end covers to the pump and/or motor housing can be carried out in a middle part of the pump or compressor.
- the pump housing is formed as a cylindrical part with an open end pointing towards the motor housing and a closed end pointing away from the motor housing.
- the motor housing is also formed with as a cylindrical part with an open end pointing towards the pump housing and a closed end pointing away from the pump housing.
- An outer diameter of the cylindrical motor housing corresponds to an inner diameter of the cylindrical pump housing.
- a console carrying the axle is placed within the pump housing, the console having an outer diameter corresponding to the inner diameter of the pump housing.
- a groove is provided for accommodating an O-ring as a sealing part.
- the open ends are pointed towards each other and the pump housing is on the inner side of the open end provided with threading and the motor housing is on its outer side of the open end provided with a mutual formed threading, thereby making a thread joint.
- a compressor or pump housing assembly where the pump housing and the motor housing each having one closed end and an open end where the set of engagement means, providing a sealed closure to the housing, is mutual engaging threads, a first threading positioned inwards the open end of the pump housing and a second threading positioned at a perimeter or an outer side at the open end of the motor housing.
- the motor housing and pump housing is not provided with threading and the assembly is performed by pressing the motor housing into the pump housing by a press fit.
- a compressor or pump housing assembly where the pump housing and the motor housing each having one closed end and an open end where the set of engagement means, providing a sealed closure to the housing is a press fit between an inwardly facing area in the pump housing and an area positioned at a circumference at the open end of the motor housing.
- the press fit is further provided with a locking mechanism formed by a notch extending from an outer circumference of the open end of the motor housing, for engagement into a groove on the inner side of the open end of the pump housing.
- the notch and groove can further cause that the parts are held in place, and the pump or compressor unit is kept sealed.
- a compressor or pump housing assembly where the pump housing and the motor housing each having one closed end and an open end where the set of engagement means, providing a sealed closure to the housing is a snap fit between an inwardly facing groove in the pump housing and a protruding hook-member positioned at a circumference at the open end of the motor housing.
- the last embodiments are directed to a solution where the respective pump housing and motor housing can be joined and thereby at the same time form the end covers, which due to their construction can be assembled using fewer parts than usual.
- a method of assembling of a compressor or pump comprising a pump in a pump housing, a motor in a motor housing, which motor comprises a stator and a rotor and drives the pump by a common axle assembly, a pump end cover and a motor end cover is provided, where end covers are assembled to pump- and/or motor housings or pump- and/or motor housings each having one closed end, which are assembled to each other by closure means consisting of a set of engagement means providing a sealed closure to the housing.
- the set of engagement means may be a single set of engagement means.
- one or more joints or main body part should contain a part or device designed in such a way that this joint, part, area, location or disk will be the primary burst part, should the pressure in the system and compressor reach a level higher than the safety pressure, i.e. 100°C, which is substantially above the maximum test pressure (equivalent to 40 bar(g) of R134a, 17% higher than maximum test pressure and 63% lower than burst pressure).
- This burst area could be in the form of a disk, round/oval or otherwise circular area, decreased wall thickness and/or porous material or similar method that will cause this exact part to burst prior to other parts of the compressor, such as cylinder heads, bolts, brazing or copper pipes.
- Figure 1 shows a cross sectional view along a middle axis of a vacuum pump
- Figure 2 shows an enlarged view of section A, marked with a circle in figure 1 ;
- Figure 3 shows a cross sectional view along a middle axis of an embodiment of a vacuum pump
- Figure 4 shows an enlarged view of section B, marked with a circle in figure 3;
- Figure 5 shows a cross sectional view along a middle axis of an embodiment of a vacuum pump
- Figure 6 shows an enlarged view of section C, marked with a circle in figure 5;
- Figure 7 shows a cross sectional view along a middle axis of an embodiment of a vacuum pump
- Figure 8 shows an enlarged view of section D, marked with a circle in figure 7;
- Figure 9 shows a cross sectional view along a middle axis of an embodiment of a vacuum pump;
- Figure 10 shows an enlarged view of section E, marked with a circle in figure 9;
- Figure 11 shows a cross sectional view along a middle axis of an embodiment of a vacuum pump
- Figure 12 shows an enlarged view of section F, marked with a circle in figure 1 1 ;
- Figure 13 shows a cross sectional view along a middle axis of an embodiment of a vacuum pump
- Figure 14 shows an enlarged view of section G, marked with a circle in figure 13.
- a compressor or pump 1 comprising a pump 3 in a pump housing 2, a motor 5 in a motor housing 4, which motor 5 comprises a stator and a rotor and drives the pump 3 by a common axle assembly 20.
- An embodiment is shown in Figure
- the pump housing 2 and the motor housing 4 is formed as a cylindrical part with open ends. At each end, the housing is provided with a respective cover 7, 10, the pump housing 2 with a pump end cover 7 and the motor housing 4 with a motor end cover 10.
- the end covers 7, 10 can be mounted to the housings 2, 4 by a thread joint 13 by having the thread 13 on an outer side of a round going or circumferential flange 8, 1 1 extending in longitudinal direction of the pump or motor housing
- the outer side of the round going or circumferential flange 8, 1 1 extending from the inner side of the pump or motor end closure 7, 10, has an outer diameter corresponding to the inner side 6, 9 of the pump and/or motor housing 2, 4 in such a way that the threading 13 can engage in a screw connection.
- a sealing ring 12, for example an O-ring can be placed in a groove 14 at an end of the pump- and/or motor housing 2, 4, providing a sealed closing, securing that oil is kept in place within the housing 2, 4.
- the end covers 7, 10 can be mounted to the housings 2, 4 by a thread joint 13 by having the thread 13 on an inner side of a protruding part of a round going flange 8, 1 1 extending in longitudinal direction of the pump or motor housing 2, 4 from an outer side of the pump or motor end closure 7, 10, or extending from a rim or circumference of the motor or pump end closure 7, 10 and on an outer side of the pump and/or motor housing 2, 4.
- the inner side of the protruding part of the round going or circumferential flange 8, 1 1 extending from the outer side of the pump or motor end closure 7, 10 or extending from the rim or circumference of the motor or pump end closure 7, 10, has an inner diameter corresponding to the outer side of the pump and/or motor housing 2, 4 in such a way that the threading 13 can engage in a screw flare connection.
- the first threading 13 is positioned inside the housings 2, 4 at each end and the second threading 23 is positioned at a rim or outer perimeter of a disc-shaped end closure.
- the length of the threading is dimensioned according to the thickness of the end closure to achieve that when the end closure is screwed in place, the outer surface of the end closure is flush with the end of the housing.
- a stop or a ring having a diameter smaller than the diameter of the housing is provided inside the housing.
- the end closure abuts the stop which stop can be provided with sealing means, for example a flat ring-shaped gasket or by a groove formed at the end of the stop facing outwards, the groove being provided for accommodating an O-ring as a sealing part.
- the O-ring placed in the groove will seal along an area close to the perimeter of the inner side of the end closure.
- the end closures 7, 10 are mounted to the pump housing 2 and/or motor housing 4 by a press fit connection 1 13.
- the inner sides 6, 9 of the pump- and motor housing 2, 4 at their open ends are not provided with threading, but manufactured with a tolerance in relation to the outer diameter of the round going or circumferential flanges 8, 1 1 extending in longitudinal direction of the pump or motor housing 2, 4 from an inner side of the pump or motor end closure 7, 10 giving a press fit when pressed together.
- a locked press fit is used to assemble a motor end closure to a motor housing and a pump end closure to a pump housing.
- a groove can be provided in an inner side of the motor housing or in an inner side of the pump housing.
- a locking mechanism formed by a notch extending from an outer circumference of a round going or circumferential and extending flange of the motor- or pump closure, for engagement into the groove of the motor or pump housing, can further cause that the closure is held in place, and the pump or compressor unit is kept sealed.
- a sealing ring for example an O-ring can be placed in a groove at an end of the pump- and/or motor housing, providing a sealed closing, securing that oil is kept in place within the housing.
- the assembly of end covers to the pump and/or motor housing can be carried out in a middle part of the pump or compressor 1 .
- the pump housing 2 is formed as a cylindrical part with an open end pointing towards the motor housing 4 and a closed end 21 pointing away from the motor housing.
- the motor housing 4 is also formed as a cylindrical part with an open end pointing towards the pump housing 2 and a closed end 22 pointing away from the pump housing 2.
- An outer diameter of the cylindrical motor housing 4 corresponds to an inner diameter of the cylindrical pump housing 2.
- a console 24 carrying the axle 20 is placed within the pump housing 2, the console 24 having an outer diameter corresponding to the inner diameter of the pump housing 2.
- a groove 14 is provided for accommodating an O-ring as a sealing part 12.
- Figure 3 shows an embodiment of an assembly of the pump housing 2 and the motor housing 4, where the open ends are pointed towards each other and the pump housing 2 is on the inner side 6 of the open end provided with threading and the motor housing 4 is on its outer side of the open end provided with a mutual formed threading, thereby making a thread joint.
- the motor housing 4 and pump housing 2 is not provided with threading and the assembly is performed by pressing the motor housing 4 into the pump housing 2 by a press fit.
- the press fit is further provided with a locking mechanism formed by a notch 214 extending from an outer circumference of the open end of the motor housing 4, for engagement into a groove 213 on the inner side of the open end of the pump housing 2.
- the notch 214 and groove 213 can further cause that the parts are held in place, and the pump or compressor unit 1 is kept sealed.
- This assembly is called a snap fit, since the parts simply snap together forming an assembly easy to put together, but still having a sufficient locking effect to keep the parts together in a sealed manner.
- the last embodiments are directed to a solution where the respective pump housing and motor housing can be joined and thereby at the same time form the end covers, which due to their construction can be assembled using fewer parts than usual.
- one or more joints or main body part should contain a part or device designed in such a way that this joint, part, area, location or disk will be the primary burst part, should the pressure in the system and compressor reach a level higher than the safety pressure, i.e. 100°C, which is substantially above the maximum test pressure (equivalent to 40 bar(g) of R134a, 17% higher than maximum test pressure and 63% lower than burst pressure).
- This burst area could be in the form of a disk, round/oval or otherwise circular area, decreased wall thickness and/or porous material or similar method that will cause this exact part to burst prior to other parts of the compressor, such as cylinder heads, bolts, brazing or copper pipes.
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Applications Or Details Of Rotary Compressors (AREA)
- Compressor (AREA)
Abstract
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DKPA201970213 | 2019-04-03 | ||
PCT/EP2020/059276 WO2020201366A1 (fr) | 2019-04-03 | 2020-04-01 | Ensemble carter de compresseur ou de pompe et procédé d'assemblage associé |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3947969A1 true EP3947969A1 (fr) | 2022-02-09 |
Family
ID=70166023
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20716766.9A Withdrawn EP3947969A1 (fr) | 2019-04-03 | 2020-04-01 | Ensemble carter de compresseur ou de pompe et procédé d'assemblage associé |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP3947969A1 (fr) |
WO (1) | WO2020201366A1 (fr) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1259735A2 (fr) * | 2000-03-03 | 2002-11-27 | LuK Fahrzeug-Hydraulik GmbH & Co. KG | Machine a pistons alternatifs |
US6857863B1 (en) * | 2003-12-18 | 2005-02-22 | Visteon Global Technologies, Inc. | Power steering pump |
US20160115955A1 (en) * | 2014-10-28 | 2016-04-28 | Emerson Climate Technologies, Inc. | Compressor shell assembly |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB683735A (en) * | 1950-02-27 | 1952-12-03 | Neue Argus Gmbh | An improved oil pump with moving piston |
DE4201401A1 (de) * | 1992-01-21 | 1993-07-22 | Bosch Gmbh Robert | Foerderaggregat |
DE4438747A1 (de) * | 1994-10-29 | 1996-05-02 | Pierburg Gmbh | Elektrisch angetriebene Luftpumpe |
ATE271657T1 (de) * | 1994-11-07 | 2004-08-15 | Dana Automotive Ltd | Einheit mit drehkolbenpumpe und motor |
JP3178372B2 (ja) * | 1997-05-15 | 2001-06-18 | トヨタ自動車株式会社 | 燃料ポンプ |
DE19959022C1 (de) * | 1999-12-08 | 2001-06-21 | Bosch Gmbh Robert | Antriebseinheit |
DE202005005620U1 (de) * | 2005-04-08 | 2006-08-17 | Hawe Hydraulik Gmbh & Co. Kg | Pumpenaggregat |
EP2986572B1 (fr) * | 2013-04-16 | 2021-02-24 | Framo Engineering AS | Système de filtration de pétrole pour machines sous-marines remplies de pétrole |
US20180306180A1 (en) * | 2017-04-20 | 2018-10-25 | Living Fountain Plastic Industrial Co., Ltd. | Downward liquid pump |
-
2020
- 2020-04-01 WO PCT/EP2020/059276 patent/WO2020201366A1/fr unknown
- 2020-04-01 EP EP20716766.9A patent/EP3947969A1/fr not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1259735A2 (fr) * | 2000-03-03 | 2002-11-27 | LuK Fahrzeug-Hydraulik GmbH & Co. KG | Machine a pistons alternatifs |
US6857863B1 (en) * | 2003-12-18 | 2005-02-22 | Visteon Global Technologies, Inc. | Power steering pump |
US20160115955A1 (en) * | 2014-10-28 | 2016-04-28 | Emerson Climate Technologies, Inc. | Compressor shell assembly |
Non-Patent Citations (1)
Title |
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See also references of WO2020201366A1 * |
Also Published As
Publication number | Publication date |
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