EP3516237A1 - System for a utility vehicle comprising a screw compressor and an electric motor with a common cooling system - Google Patents
System for a utility vehicle comprising a screw compressor and an electric motor with a common cooling systemInfo
- Publication number
- EP3516237A1 EP3516237A1 EP17772019.0A EP17772019A EP3516237A1 EP 3516237 A1 EP3516237 A1 EP 3516237A1 EP 17772019 A EP17772019 A EP 17772019A EP 3516237 A1 EP3516237 A1 EP 3516237A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- cooling
- compressor
- electric motor
- oil
- cooling element
- 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- Withdrawn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
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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T13/00—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems
- B60T13/10—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release
- B60T13/24—Transmitting braking action from initiating means to ultimate brake actuator with power assistance or drive; Brake systems incorporating such transmitting means, e.g. air-pressure brake systems with fluid assistance, drive, or release the fluid being gaseous
- B60T13/26—Compressed-air systems
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60T—VEHICLE BRAKE CONTROL SYSTEMS OR PARTS THEREOF; BRAKE CONTROL SYSTEMS OR PARTS THEREOF, IN GENERAL; ARRANGEMENT OF BRAKING ELEMENTS ON VEHICLES IN GENERAL; PORTABLE DEVICES FOR PREVENTING UNWANTED MOVEMENT OF VEHICLES; VEHICLE MODIFICATIONS TO FACILITATE COOLING OF BRAKES
- B60T17/00—Component parts, details, or accessories of power brake systems not covered by groups B60T8/00, B60T13/00 or B60T15/00, or presenting other characteristic features
- B60T17/02—Arrangements of pumps or compressors, or control devices therefor
-
- 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
- F04C18/08—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C18/12—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type
- F04C18/14—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons
- F04C18/16—Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of other than internal-axis type with toothed rotary pistons with helical teeth, e.g. chevron-shaped, screw type
-
- 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
- F04C23/02—Pumps characterised by combination with or adaptation to specific driving engines or motors
-
- 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
- F04C29/0042—Driving elements, brakes, couplings, transmissions specially adapted for pumps
- F04C29/0085—Prime movers
-
- 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
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/045—Heating; Cooling; Heat insulation of the electric motor in hermetic 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
- F04C29/00—Component parts, details or accessories of pumps or pumping installations, not provided for in groups F04C18/00 - F04C28/00
- F04C29/04—Heating; Cooling; Heat insulation
- F04C29/047—Cooling of electronic devices installed inside the pump housing, e.g. inverters
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
- H05K7/00—Constructional details common to different types of electric apparatus
- H05K7/20—Modifications to facilitate cooling, ventilating, or heating
- H05K7/2089—Modifications to facilitate cooling, ventilating, or heating for power electronics, e.g. for inverters for controlling motor
-
- 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
- F04C2210/00—Fluid
- F04C2210/10—Fluid working
- F04C2210/1005—Air
-
- 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
- F04C2210/00—Fluid
- F04C2210/22—Fluid gaseous, i.e. compressible
- F04C2210/221—Air
-
- 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
- F04C2240/40—Electric motor
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/12—Kind or type gaseous, i.e. compressible
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/16—Air or water being indistinctly used as working fluid, i.e. the machine can work equally with air or water without any modification
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2260/00—Function
- F05B2260/20—Heat transfer, e.g. cooling
- F05B2260/205—Cooling fluid recirculation, i.e. after having cooled one or more components the cooling fluid is recovered and used elsewhere for other purposes
Definitions
- the present invention relates to a system for a commercial vehicle comprising a screw compressor and an electric motor.
- Screw compressors for commercial vehicles are already known from the prior art. Such screw compressors are used to provide the necessary compressed air for, for example, the braking system of the commercial vehicle.
- oil-filled compressors especially screw compressors are known in which the task is to regulate the öttemperatur. This is usually accomplished by having an external oil cooler connected to the oil-filled compressor and the oil circuit via a thermostatic valve.
- the oil cooler is here
- Heat exchanger having two separate circuits, wherein the first circuit for the hot liquid, so the compressor oil is provided and the second for the cooling liquid.
- a coolant for example, air
- Water mixtures can be used with an antifreeze or other oil.
- This oil cooler must then be connected to the compressor oil circuit via pipes or hoses and the oil circuit must be secured against leaks.
- the DE 37 17493 A1 discloses a arranged in a compact housing screw compressor system having an oil cooler on the electric motor of the screw compressor.
- Heat exchanger of a motor vehicle having cooling channels
- Flange connection is known, wherein the flange connection has a connection flange which is a die-cast part and has through-holes produced by casting technology for receiving threaded bolts.
- US 2012/076679 A1 discloses a cooling arrangement in which an electric motor and the drive electronics likewise have a cooling arrangement. It is the object of the present invention, a system for a commercial vehicle comprising a screw compressor and an electric motor in an advantageous manner, in particular in that a space-saving
- Cooling possibility for a generic system can be provided.
- a system for a commercial vehicle comprising a screw compressor and an electric motor with the features of claim 1.
- a system for a commercial vehicle comprises a compressor, an electric motor and a drive electronics, wherein the Electric motor drives the compressor, wherein electric motor, compressor and drive electronics have a common cooling circuit.
- the invention is based on the idea that all components of the system for a commercial vehicle comprising compressor, electric motor and
- Cooling elements are connected in series so that they all have the same flow rate of the coolant.
- the compressor may in particular be a screw compressor.
- Such screw compressors are particularly suitable in novel applications for hybrid commercial vehicles, in which a compressor for
- Compressed air generation is not constantly driven by the drive unit of the commercial vehicle.
- the cooling circuit has a coolant channel, at least in sections by a juxtaposition of
- Cooling elements is formed. This series connection allows a simple structure. In addition, the pressure curve in the coolant circuit can be adjusted more easily overall. In particular, it may be provided that at least one cooling element each
- Such cooling elements may for example be heat exchanger elements, which may be connected in series, for example, in the cooling circuit.
- the electric motor has a starter cooling element, wherein the cooling elements are arranged such that the coolant in the Cooling circuit, first the cooling element of the drive electronics, then flows through the starter cooling element and then the cooling element of the compressor.
- Housing cooling element wherein the cooling elements are arranged such that the coolant in the cooling circuit before the cooling element of the drive electronics first flows through the housing cooling element.
- This type of cooling is relatively uncritical, since little heat absorption in the housing cooling element can be expected here.
- the pressure drop is comparatively low.
- the cooling element of the drive electronics has a flow divider.
- the flow divider makes it possible
- the cooling element of the drive electronics has a substantially W-shaped flow channel. This ensures that the coolant through the cooling element of the drive electronics neanderförmig flows through it and thereby flows over a large surface of the drive electronics, so that overall good heat dissipation in the field of drive electronics is made possible. Further details and advantages of the invention will now be based on a in the
- FIG. 1 shows a schematic sectional view of a device according to the invention.
- inventive system for a commercial vehicle a perspective view of the structure of the cooling arrangement of FIG. 2; and a schematic view of the structure of the cooling element for the drive electronics.
- Fig. 1 shows a schematic sectional view of a screw compressor 10 in the sense of an embodiment of the present invention.
- the screw compressor 10 has a mounting flange 12 for mechanical attachment of the screw compressor 10 to an electric motor not shown here.
- the input shaft 14 via which the torque from the electric motor to one of the two screws 16 and 18, namely the screw 16 is transmitted.
- the screw 18 meshes with the screw 16 and is driven by this.
- the screw compressor 10 has a housing 20 in which the essential components of the screw compressor 10 are housed.
- the housing 20 is affected by oil 22.
- Air inlet side is on the housing 20 of the screw compressor 10 a
- Inlet port 24 is provided.
- the inlet nozzle 24 is designed such that an air filter 26 is arranged on it.
- an air inlet 28 is provided radially on the air inlet pipe 24.
- a spring-loaded valve core 30 is provided, designed here as an axial seal.
- This valve insert 30 serves as a check valve.
- an air supply channel 32 Downstream of the valve core 30, an air supply channel 32 is provided, which supplies the air to the two screws 16, 18.
- an air outlet pipe 34 is provided with a riser 36.
- a temperature sensor 38 is provided, by means of which the oil temperature can be monitored.
- a holder 40 for an air de-oiling element 42 is provided in the air outlet area.
- the holder 40 for the air de-oiling element has in the assembled state in the area facing the bottom (as shown in Fig. 1), the air de-oiling element 42. Further provided in the interior of the air de-oiling element 42 is a corresponding filter screen or known filter and oil-separating devices 44, which are not specified in detail. In the central upper area, relative to the assembled and ready-to-use state (ie as shown in FIG. 1), the holder for the air de-oiling element 40 has a
- the check valve 48 and the minimum pressure valve 50 may also be formed in a common, combined valve.
- the air outlet 51 is connected to correspondingly known compressed air consumers in the rule.
- a riser 52 is provided which has the outlet of the holder 40 for the air de-oiling element 42 when passing into the housing 20 a filter and check valve 54.
- a nozzle 56 Downstream of the filter and check valve 54, a nozzle 56 is provided in a housing bore.
- the oil return line 58 leads back approximately in the middle region of the screw 16 or the screw 18 in order to supply oil 22 again.
- Oil drain plug 59 is provided. About the oil drain plug 59, a
- Regulation means may be provided by means of which the oil temperature of the oil 22 located in the housing 22 can be monitored and adjusted to a desired value. Downstream of the thermostatic valve 66 is then the oil inlet of the oil filter 62, the oil 22 via a central return line 68 back to the screw 18 or the screw 16, but also to the oil-lubricated bearing 70 of the shaft 14 leads. In the region of the bearing 70, a nozzle 72 is provided, which is provided in the housing 20 in connection with the return line 68.
- the cooler 74 is connected to the projection 60.
- a safety valve 76 In the upper region of the housing 20 (relative to the mounted state) there is a safety valve 76, via which an excessive pressure in the housing 20 can be reduced.
- connection with the air supply 32 is controlled, air can be returned to the region of the air inlet 28.
- a vent valve not shown in detail and also a nozzle (diameter reduction of the feeding line) may be provided.
- This oil level sensor 82 may be, for example, an optical sensor and arranged and set up so that it can be detected based on the sensor signal, whether the oil level in operation above the oil level sensor 82 or if the oil level sensor 82 is exposed and thereby the oil level has fallen accordingly.
- an alarm unit can also be provided which outputs or forwards an appropriate error message or warning message to the user of the system.
- the function of the screw compressor 10 shown in FIG. 1 is as follows:
- Air is supplied via the air inlet 28 and passes through the check valve 30 to the screws 16, 18, where the air is compressed.
- the air, which still partly carries oil particles, is then guided via the holder 40 into the air de-oiling element 42 and, provided the corresponding minimum pressure is reached, enters the air outlet line 51.
- the oil 22 located in the housing 20 is maintained at the operating temperature via the oil filter 62 and possibly via the heat exchanger 74.
- the heat exchanger 74 is not used and is not switched on.
- the corresponding connection takes place via the thermostatic valve 68.
- oil is supplied via the line 68 to the screw 18 or the screw 16, but also to the bearing 72.
- the screw 16 or the screw 18 is supplied via the return line 52, 58 with oil 22, here is the purification of the oil 22 in the air de-oiling 42nd
- Fig. 2 shows a schematic arrangement of the cooling arrangement for an embodiment of a system 1 according to the invention for a commercial vehicle comprising a
- Compressor 10 as shown in Fig. 1, i. a screw compressor 10.
- the system 1 further comprises an electric motor 5 and a drive electronics 6.
- the cooling circuit 100 serves for the heat dissipation of the electric motor 5, the compressor 10 and the drive electronics 6.
- the electric motor 5, the compressor 10 and the drive electronics 6 thus have a common cooling circuit 100.
- the entire cooling system 100 has a plurality of cooling elements, namely a cooling element for the drive electronics 102, a stator cooling element 103, a
- Compressor cooling element 104 Compressor cooling element 104.
- a housing cooling element 101 is connected, which however leads directly to the cooling element of the drive electronics 102.
- the coolant inlet 105 is connected directly to the cooling element of the drive electronics 102. From the cooling element of the drive electronics 102, the liquid coolant 106 flows to the stator cooling element 103 for the electric motor 5 and then to the cooling element 104 of the compressor 10. Thereafter, the coolant is led to an internal or external cooling channel or cooling hose 107. From the cooling element 104, the coolant then flows through the
- Coolant outlet 108 in the other cooling circuit where it can be driven for example by a pump. 4 shows a perspective view of the arrangement of the system 1, as shown schematically in FIG. Since the cooling element 102 of the drive electronics 6 must dissipate most of the heat in order to avoid excessive temperature rises in the area of the drive electronics 6, a special design is proposed here.
- the cooling element 102 of the drive electronics 6 has a substantially W-shaped flow channel 102a.
- a flow divider 102b is provided in the cooling element 102 of the drive electronics 6.
- the coolant channel 107 in this case has a sufficient cross section in order to have a small pressure drop between the cooling element inlet 109 and the cooling element outlet 110.
- the flow rate in the interior of the cooling channel 107 is still held high, since here too strong a drop in the
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102016011503.3A DE102016011503A1 (en) | 2016-09-21 | 2016-09-21 | System for a commercial vehicle comprising a screw compressor and an electric motor |
PCT/EP2017/073553 WO2018054868A1 (en) | 2016-09-21 | 2017-09-19 | System for a utility vehicle comprising a screw compressor and an electric motor with a common cooling system |
Publications (1)
Publication Number | Publication Date |
---|---|
EP3516237A1 true EP3516237A1 (en) | 2019-07-31 |
Family
ID=59955551
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP17772019.0A Withdrawn EP3516237A1 (en) | 2016-09-21 | 2017-09-19 | System for a utility vehicle comprising a screw compressor and an electric motor with a common cooling system |
Country Status (8)
Country | Link |
---|---|
US (1) | US20190211827A1 (en) |
EP (1) | EP3516237A1 (en) |
JP (1) | JP6877554B2 (en) |
KR (1) | KR20190053919A (en) |
CN (1) | CN109906319A (en) |
BR (1) | BR112019005054A2 (en) |
DE (1) | DE102016011503A1 (en) |
WO (1) | WO2018054868A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10862371B2 (en) | 2018-12-14 | 2020-12-08 | Bendix Commercial Vehicle Systems Llc | Perimeter liquid-cooled electric machine and integrated power inverter |
US11118731B2 (en) * | 2019-04-05 | 2021-09-14 | Bendix Commercial Vehicle Systems Llc | Apparatus and method for cooling a high heat-generating component of a vehicle |
CN111963427B (en) * | 2019-05-20 | 2022-06-14 | 复盛实业(上海)有限公司 | Screw compressor |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3902219A (en) * | 1972-05-08 | 1975-09-02 | Judson O Jones | Artificial turf cleaner |
US4748873A (en) | 1986-05-23 | 1988-06-07 | Raymond Engineering Inc. | Power wrench |
US4780061A (en) | 1987-08-06 | 1988-10-25 | American Standard Inc. | Screw compressor with integral oil cooling |
CA2316822A1 (en) * | 1997-12-30 | 1999-07-15 | Ateliers Busch S.A. | Cooling device |
JP2000136772A (en) * | 1998-11-04 | 2000-05-16 | Toyota Autom Loom Works Ltd | Pump device |
DE59906772D1 (en) * | 1999-06-09 | 2003-10-02 | Sterling Fluid Sys Gmbh | Rotary lobe compressors with axial delivery direction |
JP2001271777A (en) * | 2000-03-27 | 2001-10-05 | Toyota Autom Loom Works Ltd | Cooling device in vacuum pump |
JP2002106484A (en) * | 2000-09-29 | 2002-04-10 | Toyota Industries Corp | Motor type scroll compressor |
DE10302791B4 (en) | 2002-01-30 | 2016-03-17 | Denso Corporation | electric compressor |
US8260494B2 (en) * | 2008-04-02 | 2012-09-04 | International Truck Intellectual Property Company, Llc | Method and apparatus to optimize energy efficiency of air compressor in vehicle air brake application |
JP5308917B2 (en) | 2009-05-29 | 2013-10-09 | サンデン株式会社 | Inverter-integrated electric compressor |
DE102010015151A1 (en) | 2010-04-16 | 2011-10-20 | Knorr-Bremse Systeme für Schienenfahrzeuge GmbH | Compressor flange for screw compressors |
TWI491804B (en) * | 2010-04-19 | 2015-07-11 | Ebara Corp | Dry vacuum pump apparatus and method of cooling the same |
JP2011226364A (en) * | 2010-04-19 | 2011-11-10 | Ebara Corp | Cooling structure for dry vacuum pump device, and cooling method |
FR2978237B1 (en) | 2011-07-21 | 2013-12-20 | Valeo Systemes Thermiques | CONNECTING FLANGE, COLLECTOR BOX AND THERMAL EXCHANGER |
DE102013011061B3 (en) | 2013-07-02 | 2014-10-09 | Modine Manufacturing Company | Heat exchanger with a flange connection |
-
2016
- 2016-09-21 DE DE102016011503.3A patent/DE102016011503A1/en not_active Withdrawn
-
2017
- 2017-09-19 KR KR1020197010987A patent/KR20190053919A/en not_active Application Discontinuation
- 2017-09-19 CN CN201780068336.3A patent/CN109906319A/en active Pending
- 2017-09-19 BR BR112019005054A patent/BR112019005054A2/en not_active IP Right Cessation
- 2017-09-19 EP EP17772019.0A patent/EP3516237A1/en not_active Withdrawn
- 2017-09-19 WO PCT/EP2017/073553 patent/WO2018054868A1/en unknown
- 2017-09-19 JP JP2019536675A patent/JP6877554B2/en active Active
-
2019
- 2019-03-15 US US16/354,974 patent/US20190211827A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
JP6877554B2 (en) | 2021-05-26 |
CN109906319A (en) | 2019-06-18 |
JP2019529803A (en) | 2019-10-17 |
BR112019005054A2 (en) | 2019-06-18 |
DE102016011503A1 (en) | 2018-03-22 |
KR20190053919A (en) | 2019-05-20 |
US20190211827A1 (en) | 2019-07-11 |
WO2018054868A1 (en) | 2018-03-29 |
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