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1. 发明申请

WO2023088571A1 AUTOMOTIVE SIDE-CHANNEL FLUID PUMP 审中-公开
公开(公告)号：WO2023088571A1
公开(公告)日：2023-05-25
申请号：PCT/EP2021/082453
申请日：2021-11-22
申请人： PIERBURG PUMP TECHNOLOGY GMBH
发明人： MALVASI, Alessandro
IPC分类号： F04D5/00 , F04D13/06 , F04D29/18 , F04D29/40 , F04D29/041 , F04D29/047 , F01P5/10
摘要： The invention is directed to an automotive side-channel fluid pump (10), with a pump housing (12) defining a pump chamber (15), and a pump wheel (20) being arranged within the pump chamber (15). The pump housing (12) and the pump wheel (20) define a side channel (14) inside the pump chamber (15), wherein the pump wheel (20) comprises an axially protruding integral bearing journal (24) for radially supporting the pump wheel (20) in a corresponding bearing shell (30) being an integral part of the pump housing (12). The application of the integral bearing journal (24) at the pump wheel (20) allows a relatively compact design of the automotive side-channel fluid pump (10) and a more reliable rotation of the pump wheel (20).

2. 发明申请

WO2023057074A1 AUTOMOTIVE ELECTRIC FLUID PUMP 审中-公开
公开(公告)号：WO2023057074A1
公开(公告)日：2023-04-13
申请号：PCT/EP2021/077893
申请日：2021-10-08
申请人： PIERBURG PUMP TECHNOLOGY GMBH
发明人： SUSWEDYK, Martin
IPC分类号： F04D13/06 , F04D29/42 , F04D13/0606 , F04D29/426
摘要： The present invention is directed to an automotive electric fluid pump (10) with: - an electromagnetic motor stator (22), - a permanent-magnetic motor rotor (28), - a pot-shaped metallic separating can (36) comprising:  a cylindrical separating can sidewall (40) which extends through a cylindrical gap between the motor stator (22) and the motor rotor (28), and  a transverse separating can bottom wall (42) with a bottom wall protrusion (44) which axially protrudes from the separating can bottom wall (42) at a motor-rotor-remote axial side, and - an electrically conductive separating-can grounding element (48;48') which is configured to electrically connect the separating can (36) with a ground potential, and which comprises a clamping arrangement (52;52') which is in touching contact with a radial outside surface (54) of the bottom wall protrusion (44). The separating-can grounding element (48;48') with the clamping arrangement (52;52') provides a reliable electrical grounding of the separating can (36) so that the automotive electric fluid pump (10) according to the present invention has constantly low electromagnetic radiation.

3. 发明申请

WO2023030623A1 ELECTRICAL AUTOMOTIVE SIDE-CHANNEL FLUID PUMP 审中-公开
公开(公告)号：WO2023030623A1
公开(公告)日：2023-03-09
申请号：PCT/EP2021/074144
申请日：2021-09-01
申请人： PIERBURG PUMP TECHNOLOGY GMBH
发明人： PERONI, Giorgio , SQUARCINI, Raffaele , GRIFFINI, Duccio
IPC分类号： F04D5/00 , F04D23/00 , F04D29/58
摘要： The invention is directed to an electrical automotive side-channel fluid pump (10) with a static pump housing (12) comprising a motor section (M) and a pumping section (P), the pumping section (P) being substantially defined by a ring-type side-channel (18) with a pumping side-channel segment (181) extending, seen in flow direction (F), from a side-channel suction zone (S) to a side-channel discharge zone (D) and a non-pumping side-channel segment (182) extending, seen in flow direction (F), from the discharge zone (D) to the suction zone (S), a pump rotor (15) comprising a plurality of rotor blades (155) for carrying a fluid through the side-channel (18), an electric motor (30) for electrically driving the pump rotor (15), the electric motor (30) being arranged within the motor section (M), and a cooling circuit (40) with a cooling circuit inlet opening (42) and a cooling circuit outlet opening (45) for defining a pump fluid cooling flow through the motor section (M), wherein the cooling circuit inlet opening (42) or the cooling circuit outlet opening (45) are arranged within the non-pumping side-channel segment (182). According to the invention, the non-discharged fluid being carried through the non-pumping side-channel segment (182) can be used to supply the cooling circuit (40). As a result, the cooling flow is not branched off of the total discharged volume flow, so that the flow rate of the total discharged volume flow is not relevantly affected and, accordingly, the pump efficiency is not relevantly reduced by the application of the cooling circuit (40).

4. 发明申请

WO2023011706A1 AUTOMOTIVE COOLANT LIQUID DEAERATOR UNIT 审中-公开
公开(公告)号：WO2023011706A1
公开(公告)日：2023-02-09
申请号：PCT/EP2021/071663
申请日：2021-08-03
申请人： PIERBURG PUMP TECHNOLOGY GMBH
发明人： FIORINI, Stefano , PERONI, Giorgio , WOLTZ, Brandon , TROMBLEY, Eric , FORD, Gabriella
IPC分类号： F04D9/00 , F01P11/02
摘要： The invention refers to a passive automotive coolant liquid deaerator unit (30) for deaerating a circulating coolant liquid of a coolant circuit of an automobile, with a deaerator housing (32) defining a deceleration chamber (40, 40') with a chamber liquid inlet (38, 38') and a chamber liquid outlet (39, 39') and being provided with a deaeration opening (50) at the vertical top of the deceleration chamber (40, 40'). The fluidic cross section of the deceleration chamber (40, 40') is continuously increasing between the chamber liquid inlet (38, 38') and the chamber liquid outlet (39, 39').

5. 发明申请

WO2022135680A1 STATOR METAL SHEET WITH RADIAL STATOR TEETH AND METHOD FOR MANUFACTURING THE STATOR METAL SHEET 审中-公开
公开(公告)号：WO2022135680A1
公开(公告)日：2022-06-30
申请号：PCT/EP2020/087527
申请日：2020-12-21
申请人： PIERBURG PUMP TECHNOLOGY GMBH
发明人： WERNER, Kornelius , HENKE, Toni
IPC分类号： H02K1/14 , H02K15/02
摘要： The invention is directed to a method for manufacturing a stator metal sheet (10) for a motor stator of an electric motor. The stator metal sheet (10) is provided with a closed ring-shaped stator metal sheet body (15) defining a plurality of stator teeth (20), wherein all stator teeth (20) are connected by connection bridges (30) with the two adjacent stator teeth (20), respectively, said manufacturing method comprising the following steps: - Manufacturing of a pre-shaped stator metal sheet (10') with a pre- shaped stator metal sheet body (15') with the stator teeth (20) being arranged in a geometrically compressed arrangement, and - opening of the pre-shaped and longitudinal stator metal sheet body (15') with the antiparallel stator teeth rows (20A,20B) into a circular ring sheet body (15) by deforming the connection bridges (30). With this manufacturing method, the sheet metal offcut during the manufacturing of the stator metal sheet (10) is relatively low resulting in relatively low material costs for manufacturing the stator metal sheet (10).

6. 发明申请

WO2022117217A1 CLAW-POLE STATOR FOR AN ELECTRIC MOTOR 审中-公开
公开(公告)号：WO2022117217A1
公开(公告)日：2022-06-09
申请号：PCT/EP2020/084767
申请日：2020-12-04
申请人： PIERBURG PUMP TECHNOLOGY GMBH
发明人： WERNER, Kornelius , PORZ, Gerald
IPC分类号： H02K1/14 , H02K15/02 , H02K29/03
摘要： The invention is directed to a claw-pole stator (10) for an electric motor, in particular to a claw-pole stator (10) made of a single metal sheet and being applicated, for example, in a single-phase electric pump motor. The clawpole stator (10) is made of a single stator metal sheet (10') with a ring-shaped back-iron yoke (20), and several L-shaped claw-poles (30) with alternating orientation. Each claw-pole (30) comprises a substantially radially extending section (36) being connected to the back-iron yoke (20) and a substantially axially extending section (37) being connected to the radial section (36). The axially extending section (37) is defined by at least two equidirectional pole-fingers (35) being adjacent to each other and each pole-finger (35) defines a side wall (16) of a polygonal rotor opening (15). Due to the claw-pole (30) being defined by at least two pole-fingers (35), the number of sides of the polygonal rotor opening (15) is not equal to the number of claw-poles (30) but equal to the number of pole-fingers (35) of each claw-pole (30) resulting in a more constant air gap between the electric motor rotor and the claw-pole stator (10).

7. 发明申请

WO2022096134A1 VARIABLE DISPLACEMENT LUBRICANT PUMP 审中-公开
公开(公告)号：WO2022096134A1
公开(公告)日：2022-05-12
申请号：PCT/EP2020/081508
申请日：2020-11-09
申请人： PIERBURG PUMP TECHNOLOGY GMBH
发明人： BETTI, Federico , LAZZERINI, Massimiliano , CUNEO, Carmine
IPC分类号： F04C2/344 , F04C14/22 , F04C15/00 , F01C21/10
摘要： A variable displacement lubricant pump (10), comprising a housing (12), a housing cover (16), a rotor hub (35), a shiftable control ring (15), provided with a variable eccentricity and a pumping chamber (25), wherein the pumping chamber (25) comprises a suction zone (S), a discharge zone (D) and a neutral zone (N), the neutral zone (N) is provided with a switchable pressure relief valve (50) to temporarily fluidically connect the suction opening (18) with the discharge opening (19) via the passing pumping compartment (40'), the pressure relief valve (50) comprises a valve opening (52) at the sidewall (13) of the housing (12) and a valve body (56) defined by the control ring (15), so that the valve opening (52) is not or partially covered by the control ring (15) at non-maximum-eccentricity values (eVn) and is completely covered by the control ring (15) at a maximum eccentricity value (eVmax).

8. 发明申请

WO2022073589A1 VARIABLE MECHANICAL AUTOMOTIVE COOLANT PUMP 审中-公开
公开(公告)号：WO2022073589A1
公开(公告)日：2022-04-14
申请号：PCT/EP2020/078000
申请日：2020-10-06
申请人： PIERBURG PUMP TECHNOLOGY GMBH
发明人： FINIDORI, Laurent
IPC分类号： F04D15/00 , F04D29/02 , F04D29/08
摘要： The invention is directed to a variable mechanical automotive coolant pump (10) comprising a rotatable impeller wheel (20) being co-rotatably connected to a rotatable rotor shaft (30). The coolant pump further comprises a non-rotatable control sleeve (40) with a hollow-cylindrical control sleeve body (45) being guided axially slidable within a static guiding cylinder (70) for regulating the flow rate of the variable mechanical automotive coolant pump (10) by closing or opening the discharging radial outside (21) of the impeller wheel (20). The coolant pump is also provided with at least one separate guiding means (60) guiding the radial outside (42) of the control sleeve (40) within the static guiding cylinder (70). Thereby the wear between the control sleeve (40) and the static guiding cylinder (70) is reduced and the friction pairing of the sliding surfaces can be selected individually.

9. 发明申请

WO2019233599A1 ELECTRIC MOTOR 审中-公开
公开(公告)号：WO2019233599A1
公开(公告)日：2019-12-12
申请号：PCT/EP2018/065167
申请日：2018-06-08
申请人： PIERBURG PUMP TECHNOLOGY GMBH
发明人： HELMIS, Martin
IPC分类号： H02K5/24 , H02K9/22 , H02K1/14
摘要： Electric motor (8) comprising a rotatable motor rotor (10) with a rotor shaft (12) extending in an axial motor direction, a static motor frame (21) with at least one stator fastening seat (28), a static motor stator (14) with a laminated stator body (16), wherein the lamination sheets (22) extend substantially in a radial plane and define at least one cantilever arm (24), at least one stator coil (18) being attached to a non-fixed cantilever arm section (38) and at least one stator fixing means (30) for axially fixing the stator body (16) to the stator fastening seat (28), and an elastic damping element (40) being arranged axially between the stator coil (18) and the motor frame (21), wherein the damping element (40) and the stator fastening seat (28) are provided in such a way that the cantilever arm (24) is at least minimally pre-stressed so that the stator coil (18) is axially pressed against the damping element (40).

10. 发明申请

WO2019228644A1 FLUID PUMP FOR A MOTOR VEHICLE 审中-公开
公开(公告)号：WO2019228644A1
公开(公告)日：2019-12-05
申请号：PCT/EP2018/064478
申请日：2018-06-01
申请人： PIERBURG PUMP TECHNOLOGY GMBH
发明人： OTSUKA, Noriyuki , ROMBACH, Michael , WULF, Andreas , LIMBACH, Marco , MÜNCH, Tobias , DIPACE, Antonio
IPC分类号： F16C35/077 , F16C35/12 , F16C25/08 , F16C27/06 , F16C33/58 , F16C19/54 , F16C35/073 , F16C19/52
摘要： Fluid pump (10; 10') for a motor vehicle, with a driving means (18), a pump wheel (12) being co-rotatably connected with the driving means (18) by a rotor shaft (16) and a shaft bearing system (22; 22') for the rotor shaft (16), comprising a static bearing receptacle (24; 24') with a radially inwardly directed axial support flange (32) and two floating ball bearings (28, 30; 28', 30') both fixed to the radial outside of the rotor shaft (16) and provided axially shiftable within the bearing receptacle (24; 24'), wherein a first ball bearing (28; 28') is positioned at a first axial side of the support flange (32) and a second ball bearing (30; 30') is positioned at a second opposite side of the support flange (32), wherein an outer race (28c; 28c') of the first ball bearing (28; 28') is in touching axial contact with the support flange (32) and an outer race (30c; 30c') of the second ball bearing (30; 30') is axially preloaded away from the support flange (32) by a preload spring (36), wherein each ball bearing (28, 30; 28', 30') is provided with at least one elastic support ring (34) radially surrounding the outer race (28c, 30c; 28c', 30c') of the ball bearing (28, 30; 28', 30'), and wherein both ball bearings (28, 30; 28', 30') are radially supported within the bearing receptacle (24; 24') only by the support rings (34).

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