US20170373554A9 - Motor and power transmission apparatus including the same - Google Patents
Motor and power transmission apparatus including the same Download PDFInfo
- Publication number
- US20170373554A9 US20170373554A9 US14/836,185 US201514836185A US2017373554A9 US 20170373554 A9 US20170373554 A9 US 20170373554A9 US 201514836185 A US201514836185 A US 201514836185A US 2017373554 A9 US2017373554 A9 US 2017373554A9
- Authority
- US
- United States
- Prior art keywords
- housing
- motor
- rotating shaft
- power transmission
- transmission apparatus
- 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.)
- Granted
Links
Images
Classifications
-
- 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
-
- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
-
- 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
- H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
- H02K5/225—Terminal boxes or connection arrangements
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
- H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
- H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
- H02K7/1163—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion
- H02K7/1166—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears where at least two gears have non-parallel axes without having orbital motion comprising worm and worm-wheel
Definitions
- the present invention relates to a motor.
- a motor has a stator arranged on an inner circumferential surface of a housing, and a rotor arranged in the center of a stator.
- the rotor is configured to transfer power to the outside by rotating according to an electromagnetic interaction with the stator.
- a gear is rotated by rotation of a motor, and a master cylinder is pressurized, and thus a brake is operated.
- the present invention is directed to providing a motor capable of mounting a gear.
- a motor including a housing: a stator unit arranged in the housing: a rotor unit arranged in the housing to rotate with the stator unit; and a rotating shaft rotating along with the rotor unit, wherein the housing includes a first housing in which the stator unit and the rotor unit are arranged; a second housing connected with the first housing and in which one end of the rotating shaft is arranged; and a third housing connected with the second housing.
- the motor may include a first through hole formed on a bottom surface of the first housing to connect the first housing and the second housing; and a second through hole formed on a side surface of the third housing to connect the second housing and the third housing.
- extension directions of the first and second housings may be parallel to each other, and an extension direction of the first housing and an extension direction the third housing may be orthogonal to each other.
- the motor may include a groove formed on the bottom surface of the third housing; and a third through hole connected with the groove.
- An extension direction of the groove may be parallel to the extension direction of the first housing.
- the motor may include a cover configured to seal an accommodation groove.
- the cover may include a plurality of first fastening portions formed along an outer circumferential surface and coupled to the housing.
- the cover may include a plurality of second fastening portions arranged between the plurality of first fastening portions.
- the rotating shaft may include a screw thread formed on one end thereof.
- a power transmission apparatus including a housing; a stator unit arranged in the housing; a rotor unit arranged in the housing to rotate with the stator unit; a rotating shaft rotating along with the rotor unit; and a first gear connected with the rotating shaft to rotate, wherein the housing includes a first housing in which the stator unit and the rotor unit are arranged; a second housing connected with the first housing and in which one end of the rotating shaft is arranged; and a third housing which is connected with the second housing and in which the first gear is arranged.
- the gear is mounted on the housing of the motor, thereby being easily assembled and miniaturized.
- FIG. 1 is a perspective view of a motor according to an exemplary embodiment of the present invention.
- FIG. 2 is an exploded perspective view of the motor according to an exemplary embodiment of the present invention.
- FIG. 3 is a cross-sectional view shown in a direction of A-A of the housing in FIG. 2 .
- FIG. 4 is a conceptual view of a power transmission apparatus according to an exemplary embodiment of the present invention.
- FIG. 5 is a conceptual view illustrating a structure in which the power transmission apparatus according to an exemplary embodiment of the present invention transmits power.
- first ‘first’, ‘second’, etc. can be used to describe various components, but the components are not to be construed as being limited to the terms. The terms are only used to differentiate one component from other components.
- the ‘second’ component may be named the ‘first’ component and the ‘first’ component may also be similarly named the ‘second’ component, without departing from the scope of the present invention.
- the term ‘and/or’ includes a combination of a plurality of items or any one of a plurality of terms.
- FIG. 1 is a perspective view of a motor according to an exemplary embodiment of the present invention
- FIG. 2 is an exploded perspective view of the motor according to an exemplary embodiment of the present invention
- FIG. 3 is a cross-sectional view shown in a direction of A-A of the housing in FIG. 2 .
- the motor according to the present invention includes a housing 100 , a stator unit 200 arranged in the housing 100 , a rotor unit 300 arranged in the housing 100 to rotate about the stator unit 200 , a rotating shaft 400 rotating along with the rotor unit 300 , and a cover 500 coupled to the housing 100 .
- the housing 100 includes a first housing 110 in which the stator unit 200 and the rotor unit 300 are arranged, a second housing 120 in which one end of the rotating shaft 400 is arranged, and a third housing 130 in which a gear is accommodated.
- the second housing 120 may be a passage connecting the first housing 110 with the third housing 130 .
- the first housing 110 has open one side, which the stator unit 200 and the rotor unit 300 may be inserted thereinto.
- the first housing 110 may have a cylinder shape with a size in which the stator unit 200 can be inserted and fixed.
- the second housing 120 may have one end of the rotating shaft 400 inserted through the first housing 110 to be arranged therein. Therefore, the second housing 120 may be extended from the one side of the first housing 110 . A diameter of the second housing 120 may be less than that of the first housing 110 .
- the third housing 130 may provide a space in which the gear may be mounted.
- An extension direction (Z-direction) of the first housing 110 and an extension direction (X-direction) of the third housing 130 may be arranged to be orthogonal to each other. That is, an open plane (XY plane) of the first housing 110 and the open plane (YZ plane) of the third housing 130 may be arranged to be orthogonal to each other.
- the housing 100 may be a single component in which the first housing 110 , the second housing 120 , and the third housing 130 are integrally formed.
- the housing 100 may be manufactured by injection molding.
- the first housing 110 , the second housing 120 , and the third housing 130 are integrally formed in the housing 100 as a single component, thereby having a simple structure and being easily manufactured.
- the stator unit 200 may have a well-known shape in which a coil is wound around a stator core.
- the stator unit 200 may have a structure in which a coil is wound around an integrated stator core or around a plurality of divided cores.
- the rotor unit 300 includes a cylindrical rotor core 310 and a plurality of magnets 320 attached to the rotor core 310 .
- the rotor unit 300 may be rotated due to an electromagnetic interaction with the stator unit 200 .
- the rotating shaft 400 may be integrally rotated with the rotor unit 300 by being inserted into and fixed to the rotor unit 300 .
- a screw thread 410 is formed at one end of the rotating shaft 400 , so the rotating shaft is interlocked with the gear to be described below and rotated.
- Opposite ends of the rotating shaft 400 may be supported on a bearing.
- a cover 500 may be coupled to the first housing 110 to accommodate the stator unit 200 and the rotor unit 300 .
- the cover 500 is formed in a disk shape, and may have a plurality of first fastening portions 510 and a plurality of second fastening portions 520 formed along an outer circumferential surface.
- the first fastening portion 510 and the second fastening portion 520 may be alternately arranged along an outer circumferential surface.
- the first fastening portions 510 may be arranged on the same plane as a first plane 501 that the cover 500 faces the first housing 110 .
- the first fastening portion 510 may be screw-coupled to a third fastening portion 113 formed on an outer circumferential surface of the housing 100 .
- a second fastening portion 520 may be arranged on the same plane as a second plane 502 facing the first plane 501 .
- the first housing 110 may be connected with a second housing 120 through a first through hole 112 formed in a bottom surface 111 . Therefore, the one end of the rotating shaft 400 inserted into the first housing 110 is arranged on the second housing 120 to pass through the first housing 110 .
- the third housing 130 may be connected with the second housing 120 through a second through hole 131 formed in a side surface of the third housing 130 .
- the third housing 130 may include a concave groove 132 formed in the center of a bottom surface 135 and a groove 133 crossing the concave groove 132 .
- An extension direction of the concave groove 132 and an extension direction of the groove 133 are orthogonal to each other.
- the groove 133 may be connected with the third through hole 134 formed on a side wall of the third housing 130 by extending in a direction (Z-direction) parallel to the extension direction of the first housing 110 .
- the third housing 130 may accommodate a plurality of gears interlocked with the rotating shaft 400 of the motor and rotating. An accommodation space of the motor and an accommodation space of the gear are simultaneously provided in one housing, so the third housing may be miniaturized as compared with when a separate gear box is coupled to a motor housing.
- FIG. 4 is a conceptual view of a power transmission apparatus according to an exemplary embodiment of the present invention
- FIG. 5 is a conceptual view illustrating a structure in which the power transmission apparatus according to an exemplary embodiment of the present invention transmits.
- the power transmission apparatus includes a housing 100 , a stator unit 200 arranged in the housing 100 , a rotor unit 300 arranged in the housing 100 to rotate with the stator unit 200 , a rotating shaft 400 rotating along with the rotor unit 300 , and a gear assembly 20 connected with the rotating shaft and rotating.
- a structure and motor component of the housing 100 is the same as that described above, so more description will be omitted.
- the gear assembly 20 includes a main gear 21 interlocked with a screw thread 410 of the rotating shaft 400 and rotating, a sub-gear 22 coupled to and integrally rotating with the main gear 21 , and a motion member 23 straightly moved by rotation of the sub-gear 22 .
- the main gear 21 is interlocked with the screw thread 410 of the rotating shaft 400 and rotates.
- the third housing 130 on which the main gear 21 is arranged and the second housing 120 on which the screw thread 410 of the rotating shaft 400 is arranged are connected through a second through hole 131 , and thus the main gear 21 and the rotating shaft 400 are interworked.
- the sub-gear 22 is rotated along with the main gear 21 by a rotating shaft 24 .
- the sub-gear 22 is arranged in the concave groove 132 formed on the bottom surface 135 of the third housing 130 .
- the motion member 23 is arranged in the groove 133 formed on the bottom surface 135 of the third housing 130 .
- the sub-gear 22 may be a rack gear, and the motion member 23 may be a pinion gear, but the present invention is not limited thereto.
- the motion member 23 is straightly moved by rotation of the sub-gear 22 and may pressurize a master cylinder M of the brake system at the time of straight motion.
- the brake system may be operated by the pressurization of the master cylinder M.
- the second fastening portion 520 of the cover 500 may be coupled to a fourth fastening portion 11 of a control module 10 . Therefore, the second fastening portion 520 may be arranged on the same plane as the second plane 502 that the cover 500 faces the control module 10 .
- One or more of electronic components among an inverter operating the motor, a power connector, and a magnetic sensor may be installed in the control module 10 .
- the control module 10 may apply three phase power to the stator unit using the inverter installed therein.
- the control module detects rotation of the rotating shaft using a magnetic sensor or a circuit substrate installed therein, thereby detecting the location of the rotor.
- the cover 500 is coupled to the housing 100 by the first fastening portion 510 and is coupled to the control module 10 by the second fastening portion 520 , and thus the power transmission apparatus according to the present invention has the virtue of having a simplified and compacted structure.
Abstract
Description
- This application claims the benefit under 35 U.S.C. §119 of Korean Patent Application No. 10-2014-0112570, filed Aug. 27, 2014, which is hereby incorporated by reference in its entirety.
- 1. Field of the Invention
- The present invention relates to a motor.
- 2. Discussion of Related Art
- Generally, a motor has a stator arranged on an inner circumferential surface of a housing, and a rotor arranged in the center of a stator. The rotor is configured to transfer power to the outside by rotating according to an electromagnetic interaction with the stator.
- For example, in a brake system of a vehicle, a gear is rotated by rotation of a motor, and a master cylinder is pressurized, and thus a brake is operated.
- However, there is a problem in that, when a gear box is separately assembled on the motor, assembling becomes complicated, and the number of components, for example a fastening component, is increased, and thus manufacturing costs are increased.
- Also, there is a problem in that a clearance is generated between the gear and a rotating shaft of the motor at the time of assembling and thus reliability is deteriorated.
- The present invention is directed to providing a motor capable of mounting a gear.
- According to an aspect of the present invention, there is provided a motor including a housing: a stator unit arranged in the housing: a rotor unit arranged in the housing to rotate with the stator unit; and a rotating shaft rotating along with the rotor unit, wherein the housing includes a first housing in which the stator unit and the rotor unit are arranged; a second housing connected with the first housing and in which one end of the rotating shaft is arranged; and a third housing connected with the second housing.
- According to an aspect of the present invention, the motor may include a first through hole formed on a bottom surface of the first housing to connect the first housing and the second housing; and a second through hole formed on a side surface of the third housing to connect the second housing and the third housing.
- According to an aspect of the present invention, extension directions of the first and second housings may be parallel to each other, and an extension direction of the first housing and an extension direction the third housing may be orthogonal to each other.
- According to an aspect of the present invention, the motor may include a groove formed on the bottom surface of the third housing; and a third through hole connected with the groove. An extension direction of the groove may be parallel to the extension direction of the first housing.
- According to an aspect of the present invention, the motor may include a cover configured to seal an accommodation groove.
- In the motor according to an aspect of the present invention, the cover may include a plurality of first fastening portions formed along an outer circumferential surface and coupled to the housing.
- In the motor according to an aspect of the present invention, the cover may include a plurality of second fastening portions arranged between the plurality of first fastening portions.
- In the motor according to an aspect of the present invention, the rotating shaft may include a screw thread formed on one end thereof.
- According to an aspect of the present invention, there is provided a power transmission apparatus including a housing; a stator unit arranged in the housing; a rotor unit arranged in the housing to rotate with the stator unit; a rotating shaft rotating along with the rotor unit; and a first gear connected with the rotating shaft to rotate, wherein the housing includes a first housing in which the stator unit and the rotor unit are arranged; a second housing connected with the first housing and in which one end of the rotating shaft is arranged; and a third housing which is connected with the second housing and in which the first gear is arranged.
- According to an embodiment, the gear is mounted on the housing of the motor, thereby being easily assembled and miniaturized.
- Also, a separate gear box and a separate fastening component are omitted, and thus an assembling process is simplified and manufacturing costs are reduced.
- Various and beneficial advantages and effects are not limited to the described embodiment, and will be more easily understood in a process of describing an embodiment of the present invention in detail.
-
FIG. 1 is a perspective view of a motor according to an exemplary embodiment of the present invention. -
FIG. 2 is an exploded perspective view of the motor according to an exemplary embodiment of the present invention. -
FIG. 3 is a cross-sectional view shown in a direction of A-A of the housing inFIG. 2 . -
FIG. 4 is a conceptual view of a power transmission apparatus according to an exemplary embodiment of the present invention. -
FIG. 5 is a conceptual view illustrating a structure in which the power transmission apparatus according to an exemplary embodiment of the present invention transmits power. - Although the present invention can be modified variously and have several embodiments, the exemplary embodiments are illustrated in the accompanying drawings and will be described. However, the present invention is not limited to the specific embodiments and should be construed as including all the changes, equivalents, and substitutions included in the spirit and scope of the present invention.
- Terms used in the specification, ‘first’, ‘second’, etc. can be used to describe various components, but the components are not to be construed as being limited to the terms. The terms are only used to differentiate one component from other components. For example, the ‘second’ component may be named the ‘first’ component and the ‘first’ component may also be similarly named the ‘second’ component, without departing from the scope of the present invention. The term ‘and/or’ includes a combination of a plurality of items or any one of a plurality of terms.
- It is to be understood that when one element is referred to as being “connected to” or “coupled to” another element, it may be connected directly to or coupled directly to another element or be connected to or coupled to another element, having the other element intervening therebetween. On the other hand, it is to be understood that when one element is referred to as being “connected directly to” or “coupled directly to” another element, it may be connected to or coupled to another element without the other element intervening therebetween.
- Terms used in the present specification are used only in order to describe specific exemplary embodiments rather than limiting the present invention. Singular forms are intended to include plural forms unless the context clearly indicates otherwise. It will be further understood that the terms “comprises” or “have” used in this specification, specify the presence of stated features, steps, operations, components, parts, or a combination thereof, but do not preclude the presence or addition of one or more other features, numerals, steps, operations, components, parts, or a combination thereof.
- Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings, but like reference numerals refer to like components and overlapping descriptions thereof will be omitted.
-
FIG. 1 is a perspective view of a motor according to an exemplary embodiment of the present invention, andFIG. 2 is an exploded perspective view of the motor according to an exemplary embodiment of the present invention, andFIG. 3 is a cross-sectional view shown in a direction of A-A of the housing inFIG. 2 . - Referring to
FIGS. 1 and 2 , the motor according to the present invention includes ahousing 100, astator unit 200 arranged in thehousing 100, arotor unit 300 arranged in thehousing 100 to rotate about thestator unit 200, a rotatingshaft 400 rotating along with therotor unit 300, and acover 500 coupled to thehousing 100. - The
housing 100 includes afirst housing 110 in which thestator unit 200 and therotor unit 300 are arranged, asecond housing 120 in which one end of the rotatingshaft 400 is arranged, and athird housing 130 in which a gear is accommodated. Thesecond housing 120 may be a passage connecting thefirst housing 110 with thethird housing 130. - The
first housing 110 has open one side, which thestator unit 200 and therotor unit 300 may be inserted thereinto. Thefirst housing 110 may have a cylinder shape with a size in which thestator unit 200 can be inserted and fixed. - The
second housing 120 may have one end of the rotatingshaft 400 inserted through thefirst housing 110 to be arranged therein. Therefore, thesecond housing 120 may be extended from the one side of thefirst housing 110. A diameter of thesecond housing 120 may be less than that of thefirst housing 110. - The
third housing 130 may provide a space in which the gear may be mounted. An extension direction (Z-direction) of thefirst housing 110 and an extension direction (X-direction) of thethird housing 130 may be arranged to be orthogonal to each other. That is, an open plane (XY plane) of thefirst housing 110 and the open plane (YZ plane) of thethird housing 130 may be arranged to be orthogonal to each other. - The
housing 100 may be a single component in which thefirst housing 110, thesecond housing 120, and thethird housing 130 are integrally formed. Thehousing 100 may be manufactured by injection molding. According to an exemplary embodiment, thefirst housing 110, thesecond housing 120, and thethird housing 130 are integrally formed in thehousing 100 as a single component, thereby having a simple structure and being easily manufactured. - The
stator unit 200 may have a well-known shape in which a coil is wound around a stator core. Thestator unit 200 may have a structure in which a coil is wound around an integrated stator core or around a plurality of divided cores. - The
rotor unit 300 includes acylindrical rotor core 310 and a plurality ofmagnets 320 attached to therotor core 310. Therotor unit 300 may be rotated due to an electromagnetic interaction with thestator unit 200. - The
rotating shaft 400 may be integrally rotated with therotor unit 300 by being inserted into and fixed to therotor unit 300. Ascrew thread 410 is formed at one end of therotating shaft 400, so the rotating shaft is interlocked with the gear to be described below and rotated. Opposite ends of therotating shaft 400 may be supported on a bearing. - A
cover 500 may be coupled to thefirst housing 110 to accommodate thestator unit 200 and therotor unit 300. Thecover 500 is formed in a disk shape, and may have a plurality offirst fastening portions 510 and a plurality ofsecond fastening portions 520 formed along an outer circumferential surface. Thefirst fastening portion 510 and thesecond fastening portion 520 may be alternately arranged along an outer circumferential surface. - The
first fastening portions 510 may be arranged on the same plane as afirst plane 501 that thecover 500 faces thefirst housing 110. Thefirst fastening portion 510 may be screw-coupled to athird fastening portion 113 formed on an outer circumferential surface of thehousing 100. Also, asecond fastening portion 520 may be arranged on the same plane as asecond plane 502 facing thefirst plane 501. - Referring to
FIG. 3 , thefirst housing 110 may be connected with asecond housing 120 through a first throughhole 112 formed in abottom surface 111. Therefore, the one end of therotating shaft 400 inserted into thefirst housing 110 is arranged on thesecond housing 120 to pass through thefirst housing 110. - The
third housing 130 may be connected with thesecond housing 120 through a second throughhole 131 formed in a side surface of thethird housing 130. Thethird housing 130 may include aconcave groove 132 formed in the center of abottom surface 135 and agroove 133 crossing theconcave groove 132. An extension direction of theconcave groove 132 and an extension direction of thegroove 133 are orthogonal to each other. - The
groove 133 may be connected with the third throughhole 134 formed on a side wall of thethird housing 130 by extending in a direction (Z-direction) parallel to the extension direction of thefirst housing 110. - The
third housing 130 may accommodate a plurality of gears interlocked with therotating shaft 400 of the motor and rotating. An accommodation space of the motor and an accommodation space of the gear are simultaneously provided in one housing, so the third housing may be miniaturized as compared with when a separate gear box is coupled to a motor housing. -
FIG. 4 is a conceptual view of a power transmission apparatus according to an exemplary embodiment of the present invention, andFIG. 5 is a conceptual view illustrating a structure in which the power transmission apparatus according to an exemplary embodiment of the present invention transmits. - Referring to
FIGS. 3 to 5 , the power transmission apparatus according to the present invention includes ahousing 100, astator unit 200 arranged in thehousing 100, arotor unit 300 arranged in thehousing 100 to rotate with thestator unit 200, arotating shaft 400 rotating along with therotor unit 300, and agear assembly 20 connected with the rotating shaft and rotating. - A structure and motor component of the
housing 100 is the same as that described above, so more description will be omitted. - The
gear assembly 20 includes amain gear 21 interlocked with ascrew thread 410 of therotating shaft 400 and rotating, a sub-gear 22 coupled to and integrally rotating with themain gear 21, and amotion member 23 straightly moved by rotation of the sub-gear 22. - The
main gear 21 is interlocked with thescrew thread 410 of therotating shaft 400 and rotates. Thethird housing 130 on which themain gear 21 is arranged and thesecond housing 120 on which thescrew thread 410 of therotating shaft 400 is arranged are connected through a second throughhole 131, and thus themain gear 21 and therotating shaft 400 are interworked. - The sub-gear 22 is rotated along with the
main gear 21 by a rotatingshaft 24. The sub-gear 22 is arranged in theconcave groove 132 formed on thebottom surface 135 of thethird housing 130. Themotion member 23 is arranged in thegroove 133 formed on thebottom surface 135 of thethird housing 130. The sub-gear 22 may be a rack gear, and themotion member 23 may be a pinion gear, but the present invention is not limited thereto. - The
motion member 23 is straightly moved by rotation of the sub-gear 22 and may pressurize a master cylinder M of the brake system at the time of straight motion. The brake system may be operated by the pressurization of the master cylinder M. - Referring to
FIG. 4 , thesecond fastening portion 520 of thecover 500 may be coupled to afourth fastening portion 11 of acontrol module 10. Therefore, thesecond fastening portion 520 may be arranged on the same plane as thesecond plane 502 that thecover 500 faces thecontrol module 10. - One or more of electronic components among an inverter operating the motor, a power connector, and a magnetic sensor may be installed in the
control module 10. For example, thecontrol module 10 may apply three phase power to the stator unit using the inverter installed therein. Alternatively, the control module detects rotation of the rotating shaft using a magnetic sensor or a circuit substrate installed therein, thereby detecting the location of the rotor. - The
cover 500 is coupled to thehousing 100 by thefirst fastening portion 510 and is coupled to thecontrol module 10 by thesecond fastening portion 520, and thus the power transmission apparatus according to the present invention has the virtue of having a simplified and compacted structure. -
- 100: housing
- 110: first housing
- 120: second housing
- 130: third housing
- 200: stator unit
- 300: rotor unit
- 400: rotating shaft
- 410: screw thread
Claims (14)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2014-0112570 | 2014-08-27 | ||
KR10-2014-00112570 | 2014-08-27 | ||
KR1020140112570A KR102180737B1 (en) | 2014-08-27 | 2014-08-27 | Motor and power transmission apparatus including the same |
Publications (3)
Publication Number | Publication Date |
---|---|
US20160065028A1 US20160065028A1 (en) | 2016-03-03 |
US20170373554A9 true US20170373554A9 (en) | 2017-12-28 |
US10033240B2 US10033240B2 (en) | 2018-07-24 |
Family
ID=54011630
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/836,185 Active 2036-08-29 US10033240B2 (en) | 2014-08-27 | 2015-08-26 | Motor and power transmission apparatus including the same |
Country Status (4)
Country | Link |
---|---|
US (1) | US10033240B2 (en) |
EP (1) | EP2991202B1 (en) |
KR (1) | KR102180737B1 (en) |
CN (1) | CN105391217B (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
USD819709S1 (en) * | 2016-10-31 | 2018-06-05 | Deka Products Limited Partnership | Gear motor casing |
US10699597B2 (en) | 2016-02-02 | 2020-06-30 | Deka Products Limited Partnership | Modular electro-mechanical agent |
USD931350S1 (en) * | 2018-10-12 | 2021-09-21 | Flender Gmbh | Gear with casing |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107554510A (en) * | 2017-07-12 | 2018-01-09 | 格陆博科技有限公司 | A kind of electric motor protecting type electric control braking booster |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4227104A (en) * | 1978-03-13 | 1980-10-07 | Eaton Stamping | Electric motor drive unit |
US4399380A (en) * | 1980-08-29 | 1983-08-16 | Jidosha Denki Kogyo Kabushiki Kaisha | Air cooled wiper motor |
JPH0615491Y2 (en) * | 1989-01-11 | 1994-04-20 | 自動車電機工業株式会社 | Small motor for automobile |
US5144738A (en) * | 1991-04-29 | 1992-09-08 | Ford Motor Company | Automatic retention adjustment of motor armature assembly |
GB9718574D0 (en) * | 1997-09-03 | 1997-11-05 | Lucas Ind Plc | Improvements relating to gears |
US6177744B1 (en) * | 1998-03-17 | 2001-01-23 | Reliance Electric Technologies, Llc | Seal arrangement for an electric motor |
GB9812844D0 (en) * | 1998-06-16 | 1998-08-12 | Lucas Ind Plc | Improvements relating to electrical power assisted steering |
US6288464B1 (en) * | 1999-07-13 | 2001-09-11 | Asmo Co., Ltd. | Motor having worm gear mechanism |
US6390264B2 (en) * | 2000-02-02 | 2002-05-21 | Asmo Co., Ltd. | Clutch and motor including such clutch |
DE10018156A1 (en) * | 2000-04-12 | 2001-10-25 | Bosch Gmbh Robert | Electric motor |
JP4121262B2 (en) * | 2001-10-02 | 2008-07-23 | カヤバ工業株式会社 | Manufacturing method of power transmission device and manufacturing method of electric power steering device |
JP2003113907A (en) * | 2001-10-05 | 2003-04-18 | Sumitomo Heavy Ind Ltd | Hypoid reduction gear |
JP4513450B2 (en) * | 2004-07-27 | 2010-07-28 | アイシン精機株式会社 | Actuator |
JPWO2007116788A1 (en) * | 2006-04-12 | 2009-08-20 | 株式会社ミクニ | Electric actuator |
JP5603045B2 (en) * | 2009-09-24 | 2014-10-08 | 三菱電機株式会社 | Motor device for electric power steering device |
DE102013003165A1 (en) | 2012-03-06 | 2013-09-12 | Sew-Eurodrive Gmbh & Co. Kg | Adapter system for connecting gear motor with gear units, has round recesses that are arranged in circumferential direction between each holes of gear box-side hole pattern and engine side hole pattern in adapters |
-
2014
- 2014-08-27 KR KR1020140112570A patent/KR102180737B1/en active IP Right Grant
-
2015
- 2015-08-26 US US14/836,185 patent/US10033240B2/en active Active
- 2015-08-27 CN CN201510535874.1A patent/CN105391217B/en active Active
- 2015-08-27 EP EP15182661.7A patent/EP2991202B1/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10699597B2 (en) | 2016-02-02 | 2020-06-30 | Deka Products Limited Partnership | Modular electro-mechanical agent |
US11521517B2 (en) | 2016-02-02 | 2022-12-06 | Deka Products Limited Partnership | Modular electro-mechanical agent |
USD819709S1 (en) * | 2016-10-31 | 2018-06-05 | Deka Products Limited Partnership | Gear motor casing |
USD931350S1 (en) * | 2018-10-12 | 2021-09-21 | Flender Gmbh | Gear with casing |
Also Published As
Publication number | Publication date |
---|---|
US10033240B2 (en) | 2018-07-24 |
EP2991202A3 (en) | 2016-07-27 |
EP2991202B1 (en) | 2018-07-11 |
KR102180737B1 (en) | 2020-11-19 |
CN105391217B (en) | 2019-08-16 |
EP2991202A2 (en) | 2016-03-02 |
US20160065028A1 (en) | 2016-03-03 |
CN105391217A (en) | 2016-03-09 |
KR20160025381A (en) | 2016-03-08 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US10033240B2 (en) | Motor and power transmission apparatus including the same | |
US20120019082A1 (en) | Linear Stepping Motor | |
US20180283525A1 (en) | Electric actuator | |
US11408485B2 (en) | Electric actuator | |
JP2019122079A (en) | Electric actuator | |
WO2013046433A1 (en) | Motor | |
JP2019122078A (en) | Electric actuator | |
KR102499547B1 (en) | Motor | |
EP3358720A1 (en) | Motor and brake device comprising same | |
WO2019215816A1 (en) | Encoder and servo motor | |
US9343932B2 (en) | Motor | |
CN106132796A (en) | Driver element for electrical parking brake | |
US9553490B2 (en) | Motor | |
JP6618923B2 (en) | motor | |
JP4441597B2 (en) | Small rotary encoder | |
JP2019122080A (en) | Electric actuator | |
CN110959248B (en) | Motor | |
KR20150115464A (en) | Motor | |
JP7432706B2 (en) | Brushless DC electric motor for automotive wiper system | |
CN103855888A (en) | Linear motor | |
KR102108528B1 (en) | Motor | |
KR20200052858A (en) | Motor | |
KR102365919B1 (en) | Motor | |
KR102533926B1 (en) | Power transmission apparatus | |
KR101519155B1 (en) | Linear motor |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
FEPP | Fee payment procedure |
Free format text: PETITION RELATED TO MAINTENANCE FEES GRANTED (ORIGINAL EVENT CODE: PTGR); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY |
|
AS | Assignment |
Owner name: LG INNOTEK CO., LTD., KOREA, REPUBLIC OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:KIM, SEONG JIN;PARK, KYUNG SANG;PARK, CHANG HYUN;REEL/FRAME:046186/0667 Effective date: 20150820 |
|
STCF | Information on status: patent grant |
Free format text: PATENTED CASE |
|
MAFP | Maintenance fee payment |
Free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY Year of fee payment: 4 |