US20100126703A1 - Motor device with heat dissipating capability - Google Patents
Motor device with heat dissipating capability Download PDFInfo
- Publication number
- US20100126703A1 US20100126703A1 US12/313,848 US31384808A US2010126703A1 US 20100126703 A1 US20100126703 A1 US 20100126703A1 US 31384808 A US31384808 A US 31384808A US 2010126703 A1 US2010126703 A1 US 2010126703A1
- Authority
- US
- United States
- Prior art keywords
- heat
- motor
- motor device
- conducting pipes
- dissipating
- 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.)
- Abandoned
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D15/00—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies
- F28D15/02—Heat-exchange apparatus with the intermediate heat-transfer medium in closed tubes passing into or through the conduit walls ; Heat-exchange apparatus employing intermediate heat-transfer medium or bodies in which the medium condenses and evaporates, e.g. heat pipes
- F28D15/0275—Arrangements for coupling heat-pipes together or with other structures, e.g. with base blocks; Heat pipe cores
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/20—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium
- H02K5/203—Casings or enclosures characterised by the shape, form or construction thereof with channels or ducts for flow of cooling medium specially adapted for liquids, e.g. cooling jackets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/22—Arrangements for cooling or ventilating by solid heat conducting material embedded in, or arranged in contact with, the stator or rotor, e.g. heat bridges
- H02K9/225—Heat pipes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K5/00—Casings; Enclosures; Supports
- H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
- H02K5/18—Casings or enclosures characterised by the shape, form or construction thereof with ribs or fins for improving heat transfer
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/14—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle
- H02K9/18—Arrangements for cooling or ventilating wherein gaseous cooling medium circulates between the machine casing and a surrounding mantle wherein the external part of the closed circuit comprises a heat exchanger structurally associated with the machine casing
Definitions
- This invention relates to a motor device, more particularly to a motor device capable of dissipating heat in an efficient manner.
- a conventional motor device has a motor casing that defines a chamber, a stator, and a rotor.
- the stator is fixedly disposed in the chamber, and the rotor is rotatably disposed in the chamber.
- the conventional motor device suffers overheating, which can be detrimental to proper functioning of the motor device. Therefore, there is a need for a novel construction of a motor device that can facilitate efficient heat-dissipation.
- the object of the present invention is to provide a motor device that can overcome the above drawback of the prior art.
- a motor device includes a motor body and a set of heat-conducting pipes.
- the motor body includes a motor casing that defines a chamber, a stator that is disposed in the chamber, and a rotor that is rotatably disposed in the chamber.
- Each of the heat-conducting pipes has a heat-absorbing end that extends into the motor body, and a heat-dissipating end that is opposite to the heat-absorbing end and that extends outwardly of the motor body.
- FIG. 1 is a schematic sectional view of the first preferred embodiment of a motor device according to the present invention
- FIG. 2 is a perspective view of the motor device shown in FIG. 1 ;
- FIG. 3 is a schematic sectional view of the first preferred embodiment to illustrate a set of heat-conducting pipes extending into a motor casing of a motor body;
- FIG. 4 is a schematic sectional view of the first preferred embodiment to illustrate the heat-conducting pipes extending between a stator of the motor body and the motor casing;
- FIG. 5 is a schematic sectional view of the first preferred embodiment to illustrate the heat-conducting pipes extending into the stator of the motor body;
- FIG. 6 is a schematic side view of the second preferred embodiment of the motor device of this invention, illustrating a fan unit disposed on the motor casing;
- FIG. 7 is a partly exploded perspective view of the third preferred embodiment of the motor device of this invention, illustrating a coolant unit disposed on the motor casing;
- FIG. 8 is a partly exploded perspective view of the fourth preferred embodiment of the motor device according to the present invention.
- the first preferred embodiment of a motor device includes a motor body 1 , a set of heat-conducting pipes 2 , and a plurality of heat-dissipating fins 3 .
- the motor body 1 includes a motor casing 11 that defines a chamber 100 , a stator 12 that is disposed in the chamber 100 , and a rotor 13 that is rotatably disposed in the chamber 100 .
- Each of the heat-conducting pipes 2 has a heat-absorbing end 21 that extends into the motor body 1 , and a heat-dissipating end 22 that is opposite to the heat-absorbing end 21 and that extends outwardly of the motor body 1 .
- the heat-dissipating fins 3 are disposed on a surface of the motor casing 11 .
- the heat-dissipating ends 22 of the heat-conducting pipes 2 extend between the surface of the motor casing 11 and the heat-dissipating fins 3 .
- the heat-absorbing ends 22 of the heat-conducting pipes 2 extend into the motor casing 11 , i.e., embedded in a casing wall of the motor casing 11 . As such, heat-dissipating efficiency of the motor device is greatly enhanced over the conventional motor device.
- the heat-absorbing ends 21 of the heat-conducting pipes 2 extend between the stator 12 and the motor casing 11 , as illustrated in FIG. 4 . In further embodiments, the heat-absorbing ends 21 of the heat-conducting pipes 2 extend into the stator 12 , as illustrated in FIG. 5 .
- FIG. 6 illustrates the second preferred embodiment of the present invention.
- the second preferred embodiment differs from the first preferred embodiment in that the motor device further includes a fan unit 4 disposed on a surface of the motor casing 11 .
- the heat-dissipating ends 22 of the heat-conducting pipes 2 extend between the surface of the motor casing 11 and the fan unit 4 .
- the fan unit 4 is coupled co-rotatably to the rotor 13 so as to be driven rotatably thereby.
- FIG. 7 illustrates the third preferred embodiment of the present invention.
- the third preferred embodiment differs from the first preferred embodiment in that the motor device includes a cooling unit 5 disposed on a surface of the motor casing 11 .
- the cooling unit 5 includes a base part 55 and a cover part 54 .
- the base part 55 has one side formed with a meandering groove 56 that serves as a coolant channel 51 .
- the heat-dissipating ends 22 of the heat-conducting pipes 2 extend into the cooling unit 5 .
- the base part 55 of the cooling unit 5 is also formed with a coolant inlet 52 and a coolant outlet 53 that are in fluid communication with the coolant channel 51 .
- the cover part 54 covers removably the one side of the base part 55 . In use, the heat-dissipating pipes 2 exchange heat with the coolant circulating in the coolant channel 51 so that the heat of the motor device can be efficiently dissipated.
- FIG. 8 illustrates the fourth preferred embodiment of the present invention.
- the coolant channel 51 is spiral.
Abstract
A motor device includes a motor body and a set of heat-conducting pipes. The motor body includes a motor casing that defines a chamber, a stator that is disposed in the chamber, and a rotor that is rotatably disposed in the chamber. Each of the heat-conducting pipes has a heat-absorbing end that extends into the motor body, and a heat-dissipating end that is opposite to the heat-absorbing end and that extends outwardly of the motor body.
Description
- 1. Field of the Invention
- This invention relates to a motor device, more particularly to a motor device capable of dissipating heat in an efficient manner.
- 2. Description of the Related Art
- A conventional motor device has a motor casing that defines a chamber, a stator, and a rotor. The stator is fixedly disposed in the chamber, and the rotor is rotatably disposed in the chamber.
- However, the conventional motor device suffers overheating, which can be detrimental to proper functioning of the motor device. Therefore, there is a need for a novel construction of a motor device that can facilitate efficient heat-dissipation.
- The object of the present invention is to provide a motor device that can overcome the above drawback of the prior art.
- According to the present invention, a motor device includes a motor body and a set of heat-conducting pipes. The motor body includes a motor casing that defines a chamber, a stator that is disposed in the chamber, and a rotor that is rotatably disposed in the chamber. Each of the heat-conducting pipes has a heat-absorbing end that extends into the motor body, and a heat-dissipating end that is opposite to the heat-absorbing end and that extends outwardly of the motor body.
- Other features and advantages of the present invention will become apparent in the following detailed description of the preferred embodiments with reference to the accompanying drawings, of which:
-
FIG. 1 is a schematic sectional view of the first preferred embodiment of a motor device according to the present invention; -
FIG. 2 is a perspective view of the motor device shown inFIG. 1 ; -
FIG. 3 is a schematic sectional view of the first preferred embodiment to illustrate a set of heat-conducting pipes extending into a motor casing of a motor body; -
FIG. 4 is a schematic sectional view of the first preferred embodiment to illustrate the heat-conducting pipes extending between a stator of the motor body and the motor casing; -
FIG. 5 is a schematic sectional view of the first preferred embodiment to illustrate the heat-conducting pipes extending into the stator of the motor body; -
FIG. 6 is a schematic side view of the second preferred embodiment of the motor device of this invention, illustrating a fan unit disposed on the motor casing; -
FIG. 7 is a partly exploded perspective view of the third preferred embodiment of the motor device of this invention, illustrating a coolant unit disposed on the motor casing; and -
FIG. 8 is a partly exploded perspective view of the fourth preferred embodiment of the motor device according to the present invention. - Referring to
FIGS. 1 to 5 , the first preferred embodiment of a motor device according to the present invention includes amotor body 1, a set of heat-conductingpipes 2, and a plurality of heat-dissipating fins 3. Themotor body 1 includes amotor casing 11 that defines achamber 100, astator 12 that is disposed in thechamber 100, and arotor 13 that is rotatably disposed in thechamber 100. Each of the heat-conductingpipes 2 has a heat-absorbingend 21 that extends into themotor body 1, and a heat-dissipatingend 22 that is opposite to the heat-absorbingend 21 and that extends outwardly of themotor body 1. The heat-dissipating fins 3 are disposed on a surface of themotor casing 11. The heat-dissipating ends 22 of the heat-conductingpipes 2 extend between the surface of themotor casing 11 and the heat-dissipating fins 3. In this embodiment, as shown inFIG. 3 , the heat-absorbing ends 22 of the heat-conductingpipes 2 extend into themotor casing 11, i.e., embedded in a casing wall of themotor casing 11. As such, heat-dissipating efficiency of the motor device is greatly enhanced over the conventional motor device. - In other embodiments, the heat-
absorbing ends 21 of the heat-conductingpipes 2 extend between thestator 12 and themotor casing 11, as illustrated inFIG. 4 . In further embodiments, the heat-absorbing ends 21 of the heat-conductingpipes 2 extend into thestator 12, as illustrated inFIG. 5 . -
FIG. 6 illustrates the second preferred embodiment of the present invention. The second preferred embodiment differs from the first preferred embodiment in that the motor device further includes afan unit 4 disposed on a surface of themotor casing 11. The heat-dissipating ends 22 of the heat-conductingpipes 2 extend between the surface of themotor casing 11 and thefan unit 4. Thefan unit 4 is coupled co-rotatably to therotor 13 so as to be driven rotatably thereby. -
FIG. 7 illustrates the third preferred embodiment of the present invention. The third preferred embodiment differs from the first preferred embodiment in that the motor device includes acooling unit 5 disposed on a surface of themotor casing 11. Thecooling unit 5 includes abase part 55 and acover part 54. Thebase part 55 has one side formed with ameandering groove 56 that serves as acoolant channel 51. The heat-dissipating ends 22 of the heat-conductingpipes 2 extend into thecooling unit 5. Thebase part 55 of thecooling unit 5 is also formed with acoolant inlet 52 and acoolant outlet 53 that are in fluid communication with thecoolant channel 51. Thecover part 54 covers removably the one side of thebase part 55. In use, the heat-dissipatingpipes 2 exchange heat with the coolant circulating in thecoolant channel 51 so that the heat of the motor device can be efficiently dissipated. -
FIG. 8 illustrates the fourth preferred embodiment of the present invention. In this embodiment, thecoolant channel 51 is spiral. - While the present invention has been described in connection with what are considered the most practical and preferred embodiments, it is understood that this invention is not limited to the disclosed embodiments but is intended to cover various arrangements included within the spirit and scope of the broadest interpretation so as to encompass all such modifications and equivalent arrangements.
Claims (10)
1. A motor device comprising:
a motor body including a motor casing that defines a chamber, a stator that is disposed in said chamber, and a rotor that is rotatably disposed in said chamber; and
a set of heat-conducting pipes, each having a heat-absorbing end that extends into said motor body, and a heat-dissipating end that is opposite to said heat-absorbing end and that extends outwardly of said motor body.
2. The motor device as claimed in claim 1 , further comprising a plurality of heat-dissipating fins disposed on a surface of said motor casing, said heat-dissipating ends of said heat-conducting pipes extending between said surface of said motor casing and said heat-dissipating fins.
3. The motor device as claimed in claim 1 , further comprising a fan unit disposed on a surface of said motor casing, said heat-dissipating ends of said heat-conducting pipes extending between said surface of said motor casing and said fan unit.
4. The motor device as claimed in claim 3 , wherein said fan unit is coupled co-rotatably to said rotor.
5. The motor device as claimed in claim 1 , further comprising a cooling unit disposed on a surface of said motor casing, said cooling unit being formed with a coolant channel, and a coolant inlet and a coolant outlet that are in fluid communication with said coolant channel, said heat-dissipating ends of said heat-conducting pipes extending into said cooling unit.
6. The motor device as claimed in claim 5 , wherein said cooling unit includes:
a base part having one side formed with a groove that serves as said coolant channel, said base part being formed with said coolant inlet and said coolant outlet, said heat-dissipating ends of said heat-conducting pipes extending into said base part; and
a cover part that covers removably said one side of said base part.
7. The motor device as claimed in claim 5 , wherein said coolant channel is spiral.
8. The motor device as claimed in claim 1 , wherein said heat-absorbing ends of said heat-conducting pipes extend into said motor casing.
9. The motor device as claimed in claim 1 , wherein said heat-absorbing ends of said heat-conducting pipes extend between said stator and said motor casing.
10. The motor device as claimed in claim 1 , wherein said heat-absorbing ends of said heat-conducting pipes extend into said stator.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW097135465A TW201014125A (en) | 2008-09-16 | 2008-09-16 | Motor with heat dissipation device |
CN200810169228A CN101685998A (en) | 2008-09-16 | 2008-09-28 | Motor with heat dissipation device |
US12/313,848 US20100126703A1 (en) | 2008-09-16 | 2008-11-25 | Motor device with heat dissipating capability |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW097135465A TW201014125A (en) | 2008-09-16 | 2008-09-16 | Motor with heat dissipation device |
CN200810169228A CN101685998A (en) | 2008-09-16 | 2008-09-28 | Motor with heat dissipation device |
US12/313,848 US20100126703A1 (en) | 2008-09-16 | 2008-11-25 | Motor device with heat dissipating capability |
Publications (1)
Publication Number | Publication Date |
---|---|
US20100126703A1 true US20100126703A1 (en) | 2010-05-27 |
Family
ID=48874669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/313,848 Abandoned US20100126703A1 (en) | 2008-09-16 | 2008-11-25 | Motor device with heat dissipating capability |
Country Status (3)
Country | Link |
---|---|
US (1) | US20100126703A1 (en) |
CN (1) | CN101685998A (en) |
TW (1) | TW201014125A (en) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102290903A (en) * | 2010-06-18 | 2011-12-21 | 格伦德福斯管理联合股份公司 | Pump group |
US20120062052A1 (en) * | 2010-09-09 | 2012-03-15 | Dieter Best | Rotor for an electric external rotor motor and external rotor motor |
US20140060231A1 (en) * | 2012-08-31 | 2014-03-06 | Fanuc Corporation | Multiple joints robot with mechanism for cooling motor |
EP3349337A1 (en) * | 2017-01-11 | 2018-07-18 | Robert Bosch GmbH | Dissipation of heat from a drive by an air stream for electric bicycles |
WO2018235157A1 (en) * | 2017-06-20 | 2018-12-27 | 三菱電機株式会社 | Electric motor, compressor, air conditioner, and method for manufacturing electric motor |
EP3820026A1 (en) * | 2019-11-05 | 2021-05-12 | Hamilton Sundstrand Corporation | Electrical machines |
US20210389054A1 (en) * | 2020-06-16 | 2021-12-16 | Lockheed Martin Corporation | Cooling system for rotor hub mounted component |
CN114245669A (en) * | 2021-12-15 | 2022-03-25 | 珠海格力电器股份有限公司 | Valve assembly, heat exchange assembly, cabinet cluster temperature control system and method and air conditioner room |
US11394264B2 (en) | 2020-01-21 | 2022-07-19 | Itt Manufacturing Enterprises Llc | Motor assembly for driving a pump or rotary device with a low inductance resistor for a matrix converter |
US11451156B2 (en) | 2020-01-21 | 2022-09-20 | Itt Manufacturing Enterprises Llc | Overvoltage clamp for a matrix converter |
US11448225B2 (en) | 2020-01-21 | 2022-09-20 | Itt Manufacturing Enterprises Llc | Motor assembly for driving a pump or rotary device having a cooling duct |
US11965518B2 (en) | 2022-08-05 | 2024-04-23 | Itt Manufacturing Enterprises Llc | Motor assembly for driving a pump or rotary device having a cooling duct |
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CN103715829A (en) * | 2013-12-31 | 2014-04-09 | 天津清源电动车辆有限责任公司 | Air cooling heat dissipation mechanism for wheel hub motor of electromobile |
CN104201825A (en) * | 2014-08-14 | 2014-12-10 | 沈坤元 | Efficiently-formed radiator for disc-type motor |
CN106329808B (en) * | 2016-09-29 | 2019-03-05 | 华南理工大学 | A kind of heat pipe-type winding reinforcing radiating motor |
CN107659053B (en) * | 2017-09-28 | 2019-12-13 | 合肥恒大江海泵业股份有限公司 | high-efficient radiating multi-functional motor for large-scale immersible pump |
TW201929388A (en) * | 2017-12-12 | 2019-07-16 | 歐亞光能源科技股份有限公司 | High-rotational-speed power generation motor device capable of avoiding damage to power generation module caused by high temperature environment |
TWI743667B (en) * | 2020-02-03 | 2021-10-21 | 綠達光電股份有限公司 | Heat dissipation structure of a motor coil |
TWI743673B (en) * | 2020-02-06 | 2021-10-21 | 綠達光電股份有限公司 | Closed-cycle heat dissipation structure of a motor |
CN114050680B (en) * | 2021-11-05 | 2023-05-05 | 盐城工学院 | New energy automobile motor heat abstractor |
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US4955944A (en) * | 1987-02-10 | 1990-09-11 | Mitsubishi Denki Kabushiki Kaisha | Rotating electric machine |
US5808387A (en) * | 1994-10-25 | 1998-09-15 | Actronics Co., Ltd. | Electric motor for an electric vehicle |
US6415811B1 (en) * | 1993-11-10 | 2002-07-09 | Zimmermann & Jansen Gmbh | Cooled slider plate, particularly a water-cooled hot air slider plate |
US20060082972A1 (en) * | 2004-10-20 | 2006-04-20 | Kyoung-Ho Kim | Heat radiating apparatus |
US20080067882A1 (en) * | 2006-09-15 | 2008-03-20 | Toyota Jidosha Kabushiki Kaisha | Motor |
-
2008
- 2008-09-16 TW TW097135465A patent/TW201014125A/en not_active IP Right Cessation
- 2008-09-28 CN CN200810169228A patent/CN101685998A/en active Pending
- 2008-11-25 US US12/313,848 patent/US20100126703A1/en not_active Abandoned
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4955944A (en) * | 1987-02-10 | 1990-09-11 | Mitsubishi Denki Kabushiki Kaisha | Rotating electric machine |
US6415811B1 (en) * | 1993-11-10 | 2002-07-09 | Zimmermann & Jansen Gmbh | Cooled slider plate, particularly a water-cooled hot air slider plate |
US5808387A (en) * | 1994-10-25 | 1998-09-15 | Actronics Co., Ltd. | Electric motor for an electric vehicle |
US20060082972A1 (en) * | 2004-10-20 | 2006-04-20 | Kyoung-Ho Kim | Heat radiating apparatus |
US20080067882A1 (en) * | 2006-09-15 | 2008-03-20 | Toyota Jidosha Kabushiki Kaisha | Motor |
Cited By (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102290903A (en) * | 2010-06-18 | 2011-12-21 | 格伦德福斯管理联合股份公司 | Pump group |
EP2398132A1 (en) * | 2010-06-18 | 2011-12-21 | Grundfos Management A/S | Pump power unit |
US9653968B2 (en) | 2010-06-18 | 2017-05-16 | Grundfos Management A/S | Stator housing having heat pipe with wick |
US20120062052A1 (en) * | 2010-09-09 | 2012-03-15 | Dieter Best | Rotor for an electric external rotor motor and external rotor motor |
US8810086B2 (en) * | 2010-09-09 | 2014-08-19 | Ebm-Papst Mulfingen Gmbh & Co. Kg | Rotor for an electric external rotor motor and external rotor motor |
US20140060231A1 (en) * | 2012-08-31 | 2014-03-06 | Fanuc Corporation | Multiple joints robot with mechanism for cooling motor |
US9364956B2 (en) * | 2012-08-31 | 2016-06-14 | Fanuc Corporation | Multiple joints robot with mechanism for cooling motor |
US20160250759A1 (en) * | 2012-08-31 | 2016-09-01 | Fanuc Corporation | Multiple joints robot with mechanism for cooling motor |
US9895815B2 (en) * | 2012-08-31 | 2018-02-20 | Fanuc Corporation | Multiple joints robot with mechanism for cooling motor |
EP3349337A1 (en) * | 2017-01-11 | 2018-07-18 | Robert Bosch GmbH | Dissipation of heat from a drive by an air stream for electric bicycles |
WO2018235157A1 (en) * | 2017-06-20 | 2018-12-27 | 三菱電機株式会社 | Electric motor, compressor, air conditioner, and method for manufacturing electric motor |
US11381137B2 (en) | 2017-06-20 | 2022-07-05 | Mitsubishi Electric Corporation | Electric motor, compressor, air conditioner, and method for manufacturing electric motor |
EP3820026A1 (en) * | 2019-11-05 | 2021-05-12 | Hamilton Sundstrand Corporation | Electrical machines |
US11664689B2 (en) | 2019-11-05 | 2023-05-30 | Hamilton Sundstrand Corporation | Electrical machines |
US11394264B2 (en) | 2020-01-21 | 2022-07-19 | Itt Manufacturing Enterprises Llc | Motor assembly for driving a pump or rotary device with a low inductance resistor for a matrix converter |
US11451156B2 (en) | 2020-01-21 | 2022-09-20 | Itt Manufacturing Enterprises Llc | Overvoltage clamp for a matrix converter |
US11448225B2 (en) | 2020-01-21 | 2022-09-20 | Itt Manufacturing Enterprises Llc | Motor assembly for driving a pump or rotary device having a cooling duct |
US11848619B2 (en) | 2020-01-21 | 2023-12-19 | Itt Manufacturing Enterprises Llc | Apparatus and methods for supplying DC power to control circuitry of a matrix converter |
US20210389054A1 (en) * | 2020-06-16 | 2021-12-16 | Lockheed Martin Corporation | Cooling system for rotor hub mounted component |
US11725882B2 (en) * | 2020-06-16 | 2023-08-15 | Lockheed Martin Corporation | Cooling system for rotor hub mounted component |
CN114245669A (en) * | 2021-12-15 | 2022-03-25 | 珠海格力电器股份有限公司 | Valve assembly, heat exchange assembly, cabinet cluster temperature control system and method and air conditioner room |
US11965518B2 (en) | 2022-08-05 | 2024-04-23 | Itt Manufacturing Enterprises Llc | Motor assembly for driving a pump or rotary device having a cooling duct |
Also Published As
Publication number | Publication date |
---|---|
TWI373194B (en) | 2012-09-21 |
CN101685998A (en) | 2010-03-31 |
TW201014125A (en) | 2010-04-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
AS | Assignment |
Owner name: JOY RIDE TECH. CO., LTD., TAIWAN Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:RUAN, CHIA-WEN;WEI, YI-TANG;REEL/FRAME:021945/0858 Effective date: 20081027 |
|
STCB | Information on status: application discontinuation |
Free format text: ABANDONED -- FAILURE TO RESPOND TO AN OFFICE ACTION |