US20160069335A1 - Hybrid compressor - Google Patents
Hybrid compressor Download PDFInfo
- Publication number
- US20160069335A1 US20160069335A1 US14/557,073 US201414557073A US2016069335A1 US 20160069335 A1 US20160069335 A1 US 20160069335A1 US 201414557073 A US201414557073 A US 201414557073A US 2016069335 A1 US2016069335 A1 US 2016069335A1
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- Prior art keywords
- pulley
- drive shaft
- housing
- motor
- hybrid compressor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/01—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being mechanical
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
- F04B17/03—Pumps characterised by combination with, or adaptation to, specific driving engines or motors driven by electric motors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B27/00—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders
- F04B27/08—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis
- F04B27/0804—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B27/0821—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication
- F04B27/086—Multi-cylinder pumps specially adapted for elastic fluids and characterised by number or arrangement of cylinders having cylinders coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block component parts, details, e.g. valves, sealings, lubrication swash plate
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/002—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for driven by internal combustion engines
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B35/00—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for
- F04B35/04—Piston pumps specially adapted for elastic fluids and characterised by the driving means to their working members, or by combination with, or adaptation to, specific driving engines or motors, not otherwise provided for the means being electric
Definitions
- the present invention relates to a hybrid compressor. More particularly, the present invention relates to a hybrid compressor capable of being operated by receiving driving force of an engine and being operated by driving force of a motor when the engine stops.
- an air conditioning system of a vehicle which maintains an internal temperature of the vehicle so as to be lower than an external temperature by a circulation cycle of compression, condensation, expansion, and evaporation of a coolant, necessarily includes a compressor, a condenser, an expansion valve, and an evaporator configuring the circulation cycle.
- the compressor serves to compress and transfer the coolant and is divided into a compressor operated by receiving driving force from an engine, a compressor operated by receiving power from an electric motor separate from the engine, and a hybrid compressor operated by selectively receiving power from the engine and the electric motor depending on a driving scheme.
- the hybrid compressor is operated by receiving the driving force from the engine when the engine is operated and is operated by receiving the driving force from the motor in a state in which the engine stops.
- Various aspects of the present invention are directed to providing a hybrid compressor having advantages of decreasing a manufacturing cost and improving durability by optimizing a position of a motor unit so that the hybrid compressor is operated by receiving driving force of an engine when the engine is operated and is operated by driving force of the motor unit when the engine stops, during driving, and simplifying components.
- An aspect of the present invention provides a hybrid compressor including a pulley rotatably mounted at one side of a housing, a drive shaft having one end portion protruding from the housing while passing through the pulley and the other end portion inserted into the housing, and selectively connected to the pulley to thereby be rotated, a rotation plate having a rotation center connected to the other end portion of the drive shaft and rotatably disposed in the housing, a swash plate hinge-coupled to one side of the rotation plate and rotated together with the rotation plate, at least one piston connected to an outer peripheral edge of the swash plate and reciprocating so as to be selectively inserted into a compression chamber provided in the housing in the case in which the swash plate is rotated, a motor unit selectively transferring a torque generated depending on whether or not power is applied thereto to the drive shaft and mounted at one side end of the housing so as to correspond to one end portion of the drive shaft, and a torque transfer unit installed at one end of the drive shaft between the pulley and the
- the motor unit may include a motor housing mounted at one side end of the housing in a state in which one end thereof encloses the pulley, a motor shaft rotatably provided in the motor housing at an opposite side to the pulley, a friction plate mounted at one end of the motor shaft corresponding to the pulley to thereby be rotated together with the motor shaft, a rotor provided at the other end portion of the motor shaft, and a stator disposed on an inner peripheral surface of the motor housing so as to correspond to the rotor.
- the motor shaft may be disposed on a coaxial line with the driver shaft and may have a mounting groove formed in a front end thereof, the mounting groove having one end portion of the drive shaft partially inserted thereinto.
- the drive shaft may be mounted in the mounting groove through a bearing.
- the bearing may be a one-way bearing.
- the torque transfer unit may include a clutch plate having a rotation center mounted at one end of the drive shaft, and a clutch member mounted on an outer peripheral surface of the clutch plate and mounted so as to be reciprocatable toward the pulley or the friction plate on the outer peripheral surface of the clutch plate based on an axial direction of the drive shaft.
- the clutch member may be formed of an electromagnet generating electromagnetic force depending on whether or not power is applied thereto.
- the pulley may have a magnetic force member mounted therein so as to correspond to the clutch member.
- the magnetic force member may generate electromagnetic force depending on whether or not power is applied thereto, thereby connecting the clutch member to the pulley.
- the pulley may be connected to an engine through a connection belt and be rotatably mounted at one end of the housing through a bearing.
- FIG. 1 is a cross-sectional view showing a configuration of a hybrid compressor according to an exemplary embodiment of the present invention.
- FIG. 2 is a configuration diagram schematically shown in order to describe an internal structure of the hybrid compressor according to an exemplary embodiment of the present invention.
- FIG. 3 is a diagram showing an operation state of the hybrid compressor according to an exemplary embodiment of the present invention.
- FIG. 1 is a cross-sectional view showing a configuration of a hybrid compressor according to an exemplary embodiment of the present invention
- FIG. 2 is a configuration diagram schematically shown in order to describe an internal structure of the hybrid compressor according to an exemplary embodiment of the present invention.
- the hybrid compressor 100 may decrease a manufacturing cost and improve durability by optimizing a position of a motor unit 120 so that the hybrid compressor 100 is operated by receiving driving force of an engine 10 when the engine 10 is operated and is operated by driving force of the motor unit 120 when the engine 10 stops, during driving, and simplifying components.
- the hybrid compressor 100 includes a pulley 103 , a drive shaft 105 , a rotation plate 107 , a swash plate 109 , pistons 113 , a motor unit 120 , and a torque transfer unit 130 , as shown in FIGS. 1 and 2 .
- the pulley 103 is rotatably mounted at one side of a housing 101 and receives a torque from an engine 10 .
- the pulley 103 may be connected to the engine through a connection belt 13 and may be rotatably mounted at one end of the housing 101 through a bearing B.
- the drive shaft 105 protrudes from the housing 101 to the outside while passing through the rotation center of the pulley 103 , has the other end portion inserted into the housing 101 , and is selectively connected to the pulley 103 to thereby be rotated.
- the rotation plate 107 has the rotation center connected to the other end portion of the drive shaft 105 and is rotatably disposed in the housing 101 , such that it is rotated around the rotation center axis by the drive shaft.
- the swash plate 109 is hinge-coupled to the rotation plate 107 through a swash plate hinge 111 disposed at an edge of the rotation plate 107 and is rotated together with the rotation plate 107 .
- a plurality of pistons 113 are provided so as to correspond to at least one compression chamber 115 formed in a length direction within the housing 101 , and are connected to an outer peripheral edge of the swash plate 109 at positions spaced apart from the rotation center axis by a predetermined distance.
- the piston 113 When the swash plate 109 is rotated, the piston 113 reciprocates while being selectively inserted into the compression chamber 115 , thereby compressing a working fluid including a coolant within the compression chamber 115 .
- the swash plate 109 may be disposed so as to be inclined at a predetermined angle from the rotation plate 107 through the swash plate hinge 111 , and in the case in which a gradient of the swash plate 109 is variable, a capacity of the coolant compressed by the piston 113 may be variably controlled.
- the motor unit 120 selectively transfers a torque generated depending on whether or not power is applied thereto to the drive shaft 105 and is mounted at one side end of the housing 101 so as to correspond to one end portion of the drive shaft 105 .
- the motor unit 120 includes a motor housing 121 , a motor shaft 123 , a friction plate 125 , a rotor 127 , and a stator 129 .
- the motor housing 121 is mounted at one side end of the housing 101 in a state in which one end thereof encloses the pulley 103 at a position spaced apart from an outer peripheral surface of the pulley by a predetermined interval.
- the motor shaft 123 is rotatably provided in the motor housing 121 at an opposite side to the pulley 103 .
- the motor shaft 123 may be disposed on a coaxial line with the driver shaft 105 and may have a mounting groove 124 formed in a front end thereof, wherein the mounting groove 124 has one end portion of the drive shaft 105 partially inserted thereinto.
- the drive shaft 105 may be rotatably inserted into the mounting groove 124 and may be mounted through a bearing B interposed between an outer peripheral surface of a front end thereof and an inner peripheral surface of the mounting groove 124 .
- the bearing B interposed between the front end of the drive shaft 105 and the mounting groove 124 may be a one-way bearing.
- the friction plate 125 is mounted at one end of the motor shaft 123 corresponding to the pulley 103 to thereby be rotated together with the motor shaft 123 .
- the rotor 127 is provided at the other end portion of the motor shaft 123 within the motor housing 121 .
- stator 129 is disposed in a state in which it is fixed to an inner peripheral surface of the motor housing 121 so as to correspond to the rotor 127 .
- the motor unit 120 configured as described above rotates the rotor 127 between the stators 129 depending on whether or not the power is applied thereto, thereby rotating the motor shaft 123 . Since an operation scheme and a structure of the motor unit 120 are the same as those of a general motor, a detailed description of an operation of the motor unit 120 will be omitted.
- the torque transfer unit 130 is installed at one end of the drive shaft 105 between the pulley 103 and the motor unit 120 and selectively connects the pulley 103 or the motor unit 120 to the drive shaft 105 .
- the torque transfer unit 130 includes a clutch plate 131 and a clutch member 133 .
- the clutch plate 131 is formed in a disk shape and has the rotation center mounted at one end of the drive shaft 105 .
- the clutch member 133 is mounted on an outer peripheral surface of the clutch plate 131 and is mounted so as to be reciprocatable toward the pulley 103 or the friction plate 125 on the outer peripheral surface of the clutch plate 131 based on an axial direction of the drive shaft 105 .
- the clutch member 133 may be formed of an electromagnet generating electromagnetic force depending on whether or not the power is applied thereto.
- the pulley 103 may have a magnetic force member 119 mounted therein so as to correspond to the clutch member 133 .
- the magnetic force member 119 generates electromagnetic force depending on whether or not the power is applied thereto, thereby making it possible to connect the clutch member 133 to the pulley 103 .
- the clutch member 133 in the case in which a control signal of an electronic control unit (ECU) 20 is applied to the clutch member 133 or the magnetic force member 119 , the clutch member 133 is maintained in a state in which it selectively contacts the pulley 103 or the friction plate 125 on the clutch plate 131 , such that a torque transferred from the engine 10 through the pulley 103 or a torque transferred from the motor shaft 123 of the motor unit 120 is transferred to the drive shaft 105 , thereby operating the hybrid compressor 100 .
- ECU electronice control unit
- FIG. 3 is a diagram showing an operation state of the hybrid compressor according to an exemplary embodiment of the present invention.
- the ECU 20 applies a control signal to the magnetic force member 119 mounted on the pulley 103 to supply power, as shown in S 1 of FIG. 3 .
- electromagnetic force is generated in the magnetic force member 119 and moves the clutch member 133 toward the pulley 103 on the clutch plate 131 , such that the pulley 103 and the clutch member 133 are maintained in a state in which they contact each other.
- the torque transfer unit 130 transfers a torque of the pulley 103 rotated by driving force transferred from the engine 10 through the connection belt 13 to the drive shaft 105 to rotate the drive shaft 105 .
- the drive shaft 105 is rotated by receiving the torque from the pulley 103 rotated by the driving force of the engine 10 , such that each piston 113 mounted on the swash plate 109 rotated together with the rotation plate 107 reciprocates while being inserted into the compression chamber 115 , thereby compressing the coolant.
- the drive shaft 103 is connected to the engine 10 through the connection belt 13 , such that it is rotated by receiving the torque from the pulley 103 rotated by receiving the driving force of the engine 10 , whereby the hybrid compressor 100 is operated by the driving force of the engine 10 .
- the ECU 20 applies a control signal to the clutch member 133 to supply power, as shown in S 2 of FIG. 3 .
- the power is not supplied to the magnetic force member 119 , such that the electromagnetic force is not generated, and the clutch member 133 moves toward the friction plate 125 by the generated electromagnetic force, such that it is maintained in a state in which it contacts the friction plate 125 .
- a torque of the motor unit 120 operated by the control signal of the ECU 20 is transferred to the drive shaft 105 through the clutch member 133 contacting the friction plate 125 rotated together with the motor shaft 123 , such that the hybrid compressor 100 is operated by the motor unit 120 .
- the hybrid compressor 100 is operated by receiving the torque from the pulley 103 when the engine is operated and is operated by receiving the torque from the motor unit 120 when the operation of the engine stops depending on the ISG mode operation, through the operation of the torque transfer unit 130 in the state in which the air conditioner is operated.
- the air conditioner of the vehicle may be smoothly operated even when the engine stops.
- a manufacturing cost of the hybrid compressor 100 may be decreased by optimizing the position of the motor unit 120 so that the hybrid compressor 100 is operated by receiving the driving force of the engine 10 when the engine 10 is operated and is operated by the driving force of the motor unit 120 when the engine 10 stops depending on the ISG mode operation, during driving, and simplifying the components.
- the bearing B mounted between the motor shaft 123 of the motor unit 120 and the drive shaft 105 and having a small driving torque and torque variation is formed of the one-way bearing to prevent a load and vibrations of the pulley 103 to which the driving force of the engine is transferred from being transferred to the one-way bearing, thereby making it possible to improve entire durability.
- the motor unit 120 is disposed at a position adjacent to the pulley 103 at an opposite side to the compression chamber 115 , such that an inverter may be smoothly cooled, thereby making it possible to prevent occurrence of a malfunction and a fault of the motor.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compressors, Vaccum Pumps And Other Relevant Systems (AREA)
- Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
Abstract
A hybrid compressor may include a pulley, a drive shaft protruding from a housing while passing through the pulley and selectively connected to the pulley to thereby be rotated, a rotation plate connected to a second end portion of the drive shaft and rotatably disposed in the housing, a swash plate hinge-coupled to the rotation plate and rotated together with the rotation plate, at least one piston reciprocating to be selectively inserted into a compression chamber provided in the housing in the case in which the swash plate is rotated, a motor unit selectively transferring a torque generated depending on whether or not power is applied thereto to the drive shaft and mounted at a side end of the housing to correspond to a first end portion of the drive shaft, and a torque transfer unit selectively connecting the pulley or the motor unit to the drive shaft.
Description
- The present application claims priority to and the benefit of Korean Patent Application No. 10-2014-0119219 filed on Sep. 5, 2014, the entire contents of which is incorporated herein for all purposes by this reference.
- 1. Field of the Invention
- The present invention relates to a hybrid compressor. More particularly, the present invention relates to a hybrid compressor capable of being operated by receiving driving force of an engine and being operated by driving force of a motor when the engine stops.
- 2. Description of Related Art
- Generally, an air conditioning system of a vehicle, which maintains an internal temperature of the vehicle so as to be lower than an external temperature by a circulation cycle of compression, condensation, expansion, and evaporation of a coolant, necessarily includes a compressor, a condenser, an expansion valve, and an evaporator configuring the circulation cycle.
- Here, the compressor serves to compress and transfer the coolant and is divided into a compressor operated by receiving driving force from an engine, a compressor operated by receiving power from an electric motor separate from the engine, and a hybrid compressor operated by selectively receiving power from the engine and the electric motor depending on a driving scheme.
- Among them, the hybrid compressor is operated by receiving the driving force from the engine when the engine is operated and is operated by receiving the driving force from the motor in a state in which the engine stops.
- That is, in a hybrid vehicle or a vehicle in which an idle stop and go (ISG) mounted with an engine IDLE STOP function is applied, in the case in which the engine stops, an operation of the compressor operated by receiving the driving force from the engine stops, an operation of an air conditioner becomes impossible. In order to complement this disadvantage, the hybrid compressor operated by selectively receiving the driving force of the engine and the motor has been used.
- However, in the hybrid compressor according to the related art as described above, a plurality of one-way bearings are used to increase the number of components, such that a structure of the hybrid compressor becomes complicated and a manufacturing cost of the hybrid compressor is increased. In addition, in the case in which a load and vibrations of a pulley are transferred to the one-way bearings vulnerable to the load, durability becomes weak.
- Further, in the case in which the electric motor is positioned at the rear of the compressor, it is difficult to cool an inverter for controlling an operation of the electric motor, such that a malfunction or a fault occurs.
- The information disclosed in this Background of the Invention section is only for enhancement of understanding of the general background of the invention and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.
- Various aspects of the present invention are directed to providing a hybrid compressor having advantages of decreasing a manufacturing cost and improving durability by optimizing a position of a motor unit so that the hybrid compressor is operated by receiving driving force of an engine when the engine is operated and is operated by driving force of the motor unit when the engine stops, during driving, and simplifying components.
- An aspect of the present invention provides a hybrid compressor including a pulley rotatably mounted at one side of a housing, a drive shaft having one end portion protruding from the housing while passing through the pulley and the other end portion inserted into the housing, and selectively connected to the pulley to thereby be rotated, a rotation plate having a rotation center connected to the other end portion of the drive shaft and rotatably disposed in the housing, a swash plate hinge-coupled to one side of the rotation plate and rotated together with the rotation plate, at least one piston connected to an outer peripheral edge of the swash plate and reciprocating so as to be selectively inserted into a compression chamber provided in the housing in the case in which the swash plate is rotated, a motor unit selectively transferring a torque generated depending on whether or not power is applied thereto to the drive shaft and mounted at one side end of the housing so as to correspond to one end portion of the drive shaft, and a torque transfer unit installed at one end of the drive shaft between the pulley and the motor unit and selectively connecting the pulley or the motor unit to the drive shaft.
- The motor unit may include a motor housing mounted at one side end of the housing in a state in which one end thereof encloses the pulley, a motor shaft rotatably provided in the motor housing at an opposite side to the pulley, a friction plate mounted at one end of the motor shaft corresponding to the pulley to thereby be rotated together with the motor shaft, a rotor provided at the other end portion of the motor shaft, and a stator disposed on an inner peripheral surface of the motor housing so as to correspond to the rotor.
- The motor shaft may be disposed on a coaxial line with the driver shaft and may have a mounting groove formed in a front end thereof, the mounting groove having one end portion of the drive shaft partially inserted thereinto.
- The drive shaft may be mounted in the mounting groove through a bearing.
- The bearing may be a one-way bearing.
- The torque transfer unit may include a clutch plate having a rotation center mounted at one end of the drive shaft, and a clutch member mounted on an outer peripheral surface of the clutch plate and mounted so as to be reciprocatable toward the pulley or the friction plate on the outer peripheral surface of the clutch plate based on an axial direction of the drive shaft.
- The clutch member may be formed of an electromagnet generating electromagnetic force depending on whether or not power is applied thereto.
- The pulley may have a magnetic force member mounted therein so as to correspond to the clutch member.
- The magnetic force member may generate electromagnetic force depending on whether or not power is applied thereto, thereby connecting the clutch member to the pulley.
- The pulley may be connected to an engine through a connection belt and be rotatably mounted at one end of the housing through a bearing.
- The methods and apparatuses of the present invention have other features and advantages which will be apparent from or are set forth in more detail in the accompanying drawings, which are incorporated herein, and the following Detailed Description, which together serve to explain certain principles of the present invention.
-
FIG. 1 is a cross-sectional view showing a configuration of a hybrid compressor according to an exemplary embodiment of the present invention. -
FIG. 2 is a configuration diagram schematically shown in order to describe an internal structure of the hybrid compressor according to an exemplary embodiment of the present invention. -
FIG. 3 is a diagram showing an operation state of the hybrid compressor according to an exemplary embodiment of the present invention. - It should be understood that the appended drawings are not necessarily to scale, presenting a somewhat simplified representation of various features illustrative of the basic principles of the invention. The specific design features of the present invention as disclosed herein, including, for example, specific dimensions, orientations, locations, and shapes will be determined in part by the particular intended application and use environment.
- In the figures, reference numbers refer to the same or equivalent parts of the present invention throughout the several figures of the drawing.
- Reference will now be made in detail to various embodiments of the present invention(s), examples of which are illustrated in the accompanying drawings and described below. While the invention(s) will be described in conjunction with exemplary embodiments, it will be understood that the present description is not intended to limit the invention(s) to those exemplary embodiments. On the contrary, the invention(s) is/are intended to cover not only the exemplary embodiments, but also various alternatives, modifications, equivalents and other embodiments, which may be included within the spirit and scope of the invention as defined by the appended claims.
- Hereinafter, an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.
-
FIG. 1 is a cross-sectional view showing a configuration of a hybrid compressor according to an exemplary embodiment of the present invention, andFIG. 2 is a configuration diagram schematically shown in order to describe an internal structure of the hybrid compressor according to an exemplary embodiment of the present invention. - Referring to
FIGS. 1 and 2 , thehybrid compressor 100 according to an exemplary embodiment of the present invention may decrease a manufacturing cost and improve durability by optimizing a position of amotor unit 120 so that thehybrid compressor 100 is operated by receiving driving force of anengine 10 when theengine 10 is operated and is operated by driving force of themotor unit 120 when theengine 10 stops, during driving, and simplifying components. - To this end, the
hybrid compressor 100 according to an exemplary embodiment of the present invention includes apulley 103, adrive shaft 105, arotation plate 107, aswash plate 109,pistons 113, amotor unit 120, and atorque transfer unit 130, as shown inFIGS. 1 and 2 . - First, the
pulley 103 is rotatably mounted at one side of ahousing 101 and receives a torque from anengine 10. - Here, the
pulley 103 may be connected to the engine through aconnection belt 13 and may be rotatably mounted at one end of thehousing 101 through a bearing B. - The
drive shaft 105 protrudes from thehousing 101 to the outside while passing through the rotation center of thepulley 103, has the other end portion inserted into thehousing 101, and is selectively connected to thepulley 103 to thereby be rotated. - In the present exemplary embodiment, the
rotation plate 107 has the rotation center connected to the other end portion of thedrive shaft 105 and is rotatably disposed in thehousing 101, such that it is rotated around the rotation center axis by the drive shaft. - The
swash plate 109 is hinge-coupled to therotation plate 107 through aswash plate hinge 111 disposed at an edge of therotation plate 107 and is rotated together with therotation plate 107. - In addition, a plurality of
pistons 113 are provided so as to correspond to at least onecompression chamber 115 formed in a length direction within thehousing 101, and are connected to an outer peripheral edge of theswash plate 109 at positions spaced apart from the rotation center axis by a predetermined distance. - When the
swash plate 109 is rotated, thepiston 113 reciprocates while being selectively inserted into thecompression chamber 115, thereby compressing a working fluid including a coolant within thecompression chamber 115. - Meanwhile, in the present exemplary embodiment, the
swash plate 109 may be disposed so as to be inclined at a predetermined angle from therotation plate 107 through theswash plate hinge 111, and in the case in which a gradient of theswash plate 109 is variable, a capacity of the coolant compressed by thepiston 113 may be variably controlled. - In the present exemplary embodiment, the
motor unit 120 selectively transfers a torque generated depending on whether or not power is applied thereto to thedrive shaft 105 and is mounted at one side end of thehousing 101 so as to correspond to one end portion of thedrive shaft 105. - Here, the
motor unit 120 includes amotor housing 121, amotor shaft 123, afriction plate 125, arotor 127, and astator 129. - First, the
motor housing 121 is mounted at one side end of thehousing 101 in a state in which one end thereof encloses thepulley 103 at a position spaced apart from an outer peripheral surface of the pulley by a predetermined interval. - The
motor shaft 123 is rotatably provided in themotor housing 121 at an opposite side to thepulley 103. - The
motor shaft 123 may be disposed on a coaxial line with thedriver shaft 105 and may have amounting groove 124 formed in a front end thereof, wherein themounting groove 124 has one end portion of thedrive shaft 105 partially inserted thereinto. - Here, the
drive shaft 105 may be rotatably inserted into themounting groove 124 and may be mounted through a bearing B interposed between an outer peripheral surface of a front end thereof and an inner peripheral surface of themounting groove 124. - The bearing B interposed between the front end of the
drive shaft 105 and themounting groove 124 may be a one-way bearing. - In the present exemplary embodiment, the
friction plate 125 is mounted at one end of themotor shaft 123 corresponding to thepulley 103 to thereby be rotated together with themotor shaft 123. - The
rotor 127 is provided at the other end portion of themotor shaft 123 within themotor housing 121. - In addition, the
stator 129 is disposed in a state in which it is fixed to an inner peripheral surface of themotor housing 121 so as to correspond to therotor 127. - The
motor unit 120 configured as described above rotates therotor 127 between thestators 129 depending on whether or not the power is applied thereto, thereby rotating themotor shaft 123. Since an operation scheme and a structure of themotor unit 120 are the same as those of a general motor, a detailed description of an operation of themotor unit 120 will be omitted. - In the present exemplary embodiment, the
torque transfer unit 130 is installed at one end of thedrive shaft 105 between thepulley 103 and themotor unit 120 and selectively connects thepulley 103 or themotor unit 120 to thedrive shaft 105. - The
torque transfer unit 130 includes aclutch plate 131 and aclutch member 133. - First, the
clutch plate 131 is formed in a disk shape and has the rotation center mounted at one end of thedrive shaft 105. - In addition, the
clutch member 133 is mounted on an outer peripheral surface of theclutch plate 131 and is mounted so as to be reciprocatable toward thepulley 103 or thefriction plate 125 on the outer peripheral surface of theclutch plate 131 based on an axial direction of thedrive shaft 105. - Here, the
clutch member 133 may be formed of an electromagnet generating electromagnetic force depending on whether or not the power is applied thereto. - In addition, the
pulley 103 may have amagnetic force member 119 mounted therein so as to correspond to theclutch member 133. - The
magnetic force member 119 generates electromagnetic force depending on whether or not the power is applied thereto, thereby making it possible to connect theclutch member 133 to thepulley 103. - In the
torque transfer unit 130 configured as described above, in the case in which a control signal of an electronic control unit (ECU) 20 is applied to theclutch member 133 or themagnetic force member 119, theclutch member 133 is maintained in a state in which it selectively contacts thepulley 103 or thefriction plate 125 on theclutch plate 131, such that a torque transferred from theengine 10 through thepulley 103 or a torque transferred from themotor shaft 123 of themotor unit 120 is transferred to thedrive shaft 105, thereby operating thehybrid compressor 100. - Hereinafter, an operation and an action of the
hybrid compressor 100 according to an exemplary embodiment of the present invention configured as described above will be described in detail. -
FIG. 3 is a diagram showing an operation state of the hybrid compressor according to an exemplary embodiment of the present invention. - First, in a state in which an air conditioner is operated, in the case in which the
engine 10 is driven in a driving or IDLE state of the vehicle, theECU 20 applies a control signal to themagnetic force member 119 mounted on thepulley 103 to supply power, as shown in S1 ofFIG. 3 . - In this case, electromagnetic force is generated in the
magnetic force member 119 and moves theclutch member 133 toward thepulley 103 on theclutch plate 131, such that thepulley 103 and theclutch member 133 are maintained in a state in which they contact each other. - Therefore, the
torque transfer unit 130 transfers a torque of thepulley 103 rotated by driving force transferred from theengine 10 through theconnection belt 13 to thedrive shaft 105 to rotate thedrive shaft 105. - That is, the
drive shaft 105 is rotated by receiving the torque from thepulley 103 rotated by the driving force of theengine 10, such that eachpiston 113 mounted on theswash plate 109 rotated together with therotation plate 107 reciprocates while being inserted into thecompression chamber 115, thereby compressing the coolant. - As described above, in a state in which the
engine 10 is operated, thedrive shaft 103 is connected to theengine 10 through theconnection belt 13, such that it is rotated by receiving the torque from thepulley 103 rotated by receiving the driving force of theengine 10, whereby thehybrid compressor 100 is operated by the driving force of theengine 10. - To the contrary, in a state in which the air conditioner is operated, in the case in which the engine stops by an idle stop and go (ISG) mode operation of the vehicle, the
ECU 20 applies a control signal to theclutch member 133 to supply power, as shown in S2 ofFIG. 3 . - In this case, the power is not supplied to the
magnetic force member 119, such that the electromagnetic force is not generated, and theclutch member 133 moves toward thefriction plate 125 by the generated electromagnetic force, such that it is maintained in a state in which it contacts thefriction plate 125. - Therefore, a torque of the
motor unit 120 operated by the control signal of theECU 20 is transferred to thedrive shaft 105 through theclutch member 133 contacting thefriction plate 125 rotated together with themotor shaft 123, such that thehybrid compressor 100 is operated by themotor unit 120. - That is, as described above, the
hybrid compressor 100 according to the present exemplary embodiment is operated by receiving the torque from thepulley 103 when the engine is operated and is operated by receiving the torque from themotor unit 120 when the operation of the engine stops depending on the ISG mode operation, through the operation of thetorque transfer unit 130 in the state in which the air conditioner is operated. - Therefore, the air conditioner of the vehicle may be smoothly operated even when the engine stops.
- Therefore, when the
hybrid compressor 100 according to an exemplary embodiment of the present invention configured as described above is applied, a manufacturing cost of thehybrid compressor 100 may be decreased by optimizing the position of themotor unit 120 so that thehybrid compressor 100 is operated by receiving the driving force of theengine 10 when theengine 10 is operated and is operated by the driving force of themotor unit 120 when theengine 10 stops depending on the ISG mode operation, during driving, and simplifying the components. - In addition, only the bearing B mounted between the
motor shaft 123 of themotor unit 120 and thedrive shaft 105 and having a small driving torque and torque variation is formed of the one-way bearing to prevent a load and vibrations of thepulley 103 to which the driving force of the engine is transferred from being transferred to the one-way bearing, thereby making it possible to improve entire durability. - In addition, the
motor unit 120 is disposed at a position adjacent to thepulley 103 at an opposite side to thecompression chamber 115, such that an inverter may be smoothly cooled, thereby making it possible to prevent occurrence of a malfunction and a fault of the motor. - For convenience in explanation and accurate definition in the appended claims, the terms “upper”, “lower”, “inner” and “outer” are used to describe features of the exemplary embodiments with reference to the positions of such features as displayed in the figures.
- The foregoing descriptions of specific exemplary embodiments of the present invention have been presented for purposes of illustration and description. They are not intended to be exhaustive or to limit the invention to the precise forms disclosed, and obviously many modifications and variations are possible in light of the above teachings. The exemplary embodiments were chosen and described in order to explain certain principles of the invention and their practical application, to thereby enable others skilled in the art to make and utilize various exemplary embodiments of the present invention, as well as various alternatives and modifications thereof. It is intended that the scope of the invention be defined by the Claims appended hereto and their equivalents.
Claims (10)
1. A hybrid compressor comprising:
a pulley rotatably mounted at a side of a housing;
a drive shaft having a first end portion protruding from the housing while passing through the pulley and a second end portion inserted into the housing, and selectively connected to the pulley to thereby be rotated;
a rotation plate having a rotation center connected to the second end portion of the drive shaft and rotatably disposed in the housing;
a swash plate hinge-coupled to a side of the rotation plate and rotated together with the rotation plate;
at least one piston connected to an outer peripheral edge of the swash plate and reciprocating to be selectively inserted into a compression chamber provided in the housing in a case in which the swash plate is rotated;
a motor unit selectively transferring a torque generated depending on whether or not power is applied thereto to the drive shaft and mounted at a side end of the housing to correspond to the first end portion of the drive shaft; and
a torque transfer unit installed at a first end of the drive shaft between the pulley and the motor unit and selectively connecting the pulley or the motor unit to the drive shaft.
2. The hybrid compressor of claim 1 , wherein the motor unit includes:
a motor housing mounted at a side end of the housing in a state in which a first end thereof encloses the pulley;
a motor shaft rotatably provided in the motor housing at an opposite side to the pulley;
a friction plate mounted at the first end of the motor shaft corresponding to the pulley to thereby be rotated together with the motor shaft;
a rotor provided at a second end portion of the motor shaft; and
a stator disposed on an inner peripheral surface of the motor housing to correspond to the rotor.
3. The hybrid compressor of claim 2 , wherein the motor shaft is disposed on a coaxial line with the driver shaft and has a mounting groove formed in a front end thereof, the mounting groove having the first end portion of the drive shaft partially inserted thereinto.
4. The hybrid compressor of claim 3 , wherein the drive shaft is mounted in the mounting groove through a bearing.
5. The hybrid compressor of claim 4 , wherein the bearing is a one-way bearing.
6. The hybrid compressor of claim 2 , wherein the torque transfer unit includes:
a clutch plate having a rotation center mounted at a first end of the drive shaft; and
a clutch member mounted on an outer peripheral surface of the clutch plate and mounted to be reciprocatable toward the pulley or the friction plate on the outer peripheral surface of the clutch plate based on an axial direction of the drive shaft.
7. The hybrid compressor of claim 6 , wherein the clutch member is formed of an electromagnet generating electromagnetic force depending on whether or not power is applied thereto.
8. The hybrid compressor of claim 6 , wherein the pulley has a magnetic force member mounted therein to correspond to the clutch member.
9. The hybrid compressor of claim 8 , wherein the magnetic force member generates electromagnetic force depending on whether or not power is applied thereto, thereby connecting the clutch member to the pulley.
10. The hybrid compressor of claim 1 , wherein the pulley is connected to an engine through a connection belt and is rotatably mounted at a first end of the housing through a bearing.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020140119219A KR101588746B1 (en) | 2014-09-05 | 2014-09-05 | Hybrid compressor |
KR10-2014-0119219 | 2014-09-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
US20160069335A1 true US20160069335A1 (en) | 2016-03-10 |
Family
ID=55307536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US14/557,073 Abandoned US20160069335A1 (en) | 2014-09-05 | 2014-12-01 | Hybrid compressor |
Country Status (4)
Country | Link |
---|---|
US (1) | US20160069335A1 (en) |
KR (1) | KR101588746B1 (en) |
CN (1) | CN105781928A (en) |
DE (1) | DE102014117676A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114206653A (en) * | 2019-07-19 | 2022-03-18 | 翰昂汽车零部件加拿大有限公司 | Belt wheel assisted electromagnetic water pump |
CN114485565A (en) * | 2021-12-31 | 2022-05-13 | 潍柴动力股份有限公司 | Mechanical swash plate inclination angle indicator for hydraulic pump motor and hydraulic pump motor |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102017102324A1 (en) * | 2017-02-07 | 2018-08-09 | Nidec Gpm Gmbh | Oil-free vacuum pump with prismatic piston and corresponding compressor |
CN113236564B (en) * | 2021-06-16 | 2024-01-12 | 山东楷晋机电科技有限公司 | Control method for preventing motor rotor from rotating for double-power compressor |
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CN114206653A (en) * | 2019-07-19 | 2022-03-18 | 翰昂汽车零部件加拿大有限公司 | Belt wheel assisted electromagnetic water pump |
CN114485565A (en) * | 2021-12-31 | 2022-05-13 | 潍柴动力股份有限公司 | Mechanical swash plate inclination angle indicator for hydraulic pump motor and hydraulic pump motor |
Also Published As
Publication number | Publication date |
---|---|
KR101588746B1 (en) | 2016-01-26 |
DE102014117676A1 (en) | 2016-03-24 |
CN105781928A (en) | 2016-07-20 |
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Legal Events
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Owner name: HYUNDAI MOTOR COMPANY, KOREA, REPUBLIC OF Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CHA, YONGWOONG;REEL/FRAME:034291/0111 Effective date: 20141128 |
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STCB | Information on status: application discontinuation |
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