公开(公告)号：US20240254988A1

公开(公告)日：2024-08-01

申请号：US18412562

申请日：2024-01-14

申请人： NIDEC GPM GMBH

发明人： Franz PAWELLEK ,  Sebastian SIEDER

IPC分类号： F04C11/00 ,  F04C2/08 ,  F04C15/00

CPC分类号： F04C2/165 ,  F04C2/084 ,  F04C2/18 ,  F04C11/003 ,  F04C15/0076 ,  F04C15/06 ,  F04C15/0023 ,  F04C15/008 ,  F04C2240/30 ,  F04C2240/603 ,  F04C2270/125

摘要： The present invention relates to a gear pump (10) with at least three gear wheels (12, 14, 16), which are arranged in a pump housing (18), and a drive shaft (20). With such a device, in which the at least three gear wheels (12, 14, 16) are arranged radially adjacent to one another, and wherein a pump is formed by in each case two adjacent ones of the at least three gear wheels (12, 14, 16) and wherein one of the at least three gear wheels (12, 14, 16) can be driven by the drive shaft (20), a multiple pump is described which is more compact in construction than the known prior art and has a greater level of efficiency. Furthermore, considerable potential savings in system costs result from this.

公开(公告)号：US11996750B2

公开(公告)日：2024-05-28

申请号：US17430412

申请日：2020-02-25

申请人： NIDEC GPM GmbH

发明人： Frank Schwamberger ,  Jakob Schnitzer ,  Conrad Nickel

IPC分类号： H02K3/50 ,  H02K3/38 ,  H02K5/22

CPC分类号： H02K3/50 ,  H02K3/38 ,  H02K5/225 ,  H02K2203/03 ,  H02K2211/03

摘要： A pump includes an electric motor with a rotor mounted rotatably about an axis of rotation and circumferentially surrounding a stator that includes a stator core and coils wound on the stator core. The windings are defined by a winding wire with winding wire end sections electrically contacted directly with a printed circuit board at an end surface through insulation displacement contacts each including at least one opening for insertion of a winding wire end section, the at least one opening being a slot extending parallel or substantially parallel to a surface of the printed circuit board.

公开(公告)号：US11746827B2

公开(公告)日：2023-09-05

申请号：US17766012

申请日：2020-08-03

申请人： NIDEC GPM GmbH

发明人： Franz Pawellek ,  Marcel Berner

IPC分类号： F16C33/10 ,  F16C33/74 ,  F04D29/10 ,  F04D29/046 ,  F04D29/06

CPC分类号： F16C33/743 ,  F04D29/0462 ,  F04D29/061 ,  F04D29/108 ,  F16C33/104 ,  F16C2360/44

摘要： The invention relates to a shaft bearing having a seal arrangement to prevent steam leakages that can occur in the event of temperature fluctuations or pressure fluctuations between a liquid medium on the one side and a gaseous medium on the other side of the compact bearing, wherein, between a primary radial seal and a rotation bearing portion, a lubrication space surrounding a shaft circumference is arranged that receives a volume of lubricating grease that has a higher viscosity than a lubricating oil and a coolant; and a volume compensator for compensating a temperature-dependent volume fluctuation is provided that comprises a compressible material, and is arranged vertically in interaction with the volume of the lubricating oil and/or the volume of the lubricating grease.

公开(公告)号：US11708843B2

公开(公告)日：2023-07-25

申请号：US16976663

申请日：2018-12-13

申请人： NIDEC GPM GmbH

发明人： Conrad Nickel ,  Franz Pawellek ,  Jens Hoffmann

IPC分类号： F04D29/58 ,  F04D13/06 ,  F04D29/70 ,  F04D7/00 ,  F04D29/046

CPC分类号： F04D29/5806 ,  F04D13/06 ,  F04D29/586 ,  F04D29/5813 ,  F04D7/00 ,  F04D13/0653 ,  F04D29/046 ,  F04D29/588 ,  F04D29/708 ,  F05B2260/232

摘要： An electric coolant pump (1) conveys cooling fluid in order to cool a combustion engine of a vehicle. The electric coolant pump (1) has a pump impeller (2) for accelerating the coolant to be conveyed, a rotor shaft (3) on which the pump impeller (2) is fixed, an electric motor (6), having a stator (8) and a rotor (7), for driving the rotor shaft (3). A control circuit (13) controls the electric motor (6). A pump housing (10) accommodates at least the control circuit (13) and the electric motor (6). The coolant to be conveyed is able to flow through the pump housing (10). The coolant to be conveyed thereby flows around the stator (8), the rotor (6) and the control circuit (13).

公开(公告)号：US20230032777A1

公开(公告)日：2023-02-02

申请号：US17874101

申请日：2022-07-26

申请人： NIDEC GPM GMBH

发明人： Franz PAWELLEK

IPC分类号： B60K11/02 ,  F04B17/03

摘要： Pump module, particularly for a temperature management system, and temperature management system comprising the pump module, and motor vehicle comprising the pump module or the temperature management system
The invention relates to a pump module, in particular a liquid fluid pump module for a temperature management system (100), e.g. of an electric battery-driven motor vehicle or a hybrid motor vehicle, comprising: at least one electrically driven fluid pump unit (2) which is configured and provided to supply fluid to be pumped to at least one actuatable fluid valve means (3); a control device (ECU) for actuating at least one drive motor (7) of the fluid pump unit (2), wherein the control unit (ECU) also comprises at least one electrically actuatable operating solenoid (31) for a pilot valve (20), which solenoid is configured and provided to hydraulically operate the fluid valve means (3) by means of the pilot valve (20) during normal use of the pump module (1). Furthermore, the invention relates to a temperature management system comprising the pump module, and a motor vehicle comprising the pump module or the temperature management system.

公开(公告)号：US11566617B2

公开(公告)日：2023-01-31

申请号：US16969840

申请日：2018-11-22

申请人： NIDEC GPM GmbH

发明人： Andreas Blechschmidt

IPC分类号： F04C2/08 ,  F04C2/10 ,  F01C1/08

摘要： A toothing for a gerotor pump comprises a plurality of outer teeth (10) at a gerotor inner element (1) and a plurality of inner teeth (20) greater by one at a gerotor outer element (2), wherein a centre (M1) of the gerotor inner element (1) is offset from a centre (M2) of the gerotor outer element (2) by an eccentricity (e), the outer teeth (10) thereby meshing with the inner teeth (20). A contour of the outer teeth (10) at the gerotor inner element (1) is essentially defined by a curve of a single ellipse from a tooth tip (11) continuously via tooth flanks (13) to a transition radius (14) towards a tooth space or a tooth root (12); wherein the principal axis of the ellipse is arranged radially to the gerotor inner element (1) and the centre of the ellipse determines a radius (Rmin) at the gerotor inner element (1) which corresponds to the maximum meshing depth of the gerotor outer element (2) between the outer teeth (10) at the meshing.

公开(公告)号：US20220333597A1

公开(公告)日：2022-10-20

申请号：US17615963

申请日：2020-06-23

申请人： NIDEC GPM GMBH

发明人： Franz Pawellek

IPC分类号： F04C14/00 ,  F04C11/00 ,  F04C2/16 ,  F04C15/00 ,  F01P5/12

摘要： An electric screw coolant pump for integration into a temperature control circuit of an assembly of which the temperature is to be controlled. An accommodation housing includes a feeder line and a return line of the temperature control circuit, which open into a cavity. A part of the cavity surrounds a spindle housing and communicates with an outlet opening of the spindle housing as well as the feeder line. A sealing element, which provides a seal between a suction side and a pressure side, is arranged towards an end surface of the axial end of the inserted spindle housing.

公开(公告)号：US20220128057A1

公开(公告)日：2022-04-28

申请号：US17510947

申请日：2021-10-26

申请人： NIDEC GPM GmbH

发明人： Luis HERRLING ,  Heidemarie WEINERT

IPC分类号： F04D13/06 ,  F04D29/42

摘要： The invention relates to an electric coolant pump comprising a pump housing, a rotating conveying element for accelerating the coolant, a pump shaft passing through the pump housing and on which the conveying element is mounted, an electric motor for driving the pump shaft; and a control circuit. The conveying element is arranged in a pump chamber formed by the pump housing and a spiral lid. The electric motor is arranged in a motor chamber formed by the pump housing and motor lid. Furthermore, a control circuit chamber is formed in the pump housing, for the control circuit. The control circuit chamber has an opening through which the control circuit can be inserted into the control circuit chamber.

公开(公告)号：US20210148259A1

公开(公告)日：2021-05-20

申请号：US17044897

申请日：2019-04-23

申请人： NIDEC GPM GMBH

发明人： Franz PAWELLEK

IPC分类号： F01M1/16 ,  F01M1/02

摘要： An adjustable lubrication oil conveying system for a combustion engine is proposed which comprises a screw pump for conveying lubrication oil with at least one screw rotatably accommodated in a screw chamber, wherein the screw pump is arranged such that a suction side of the screw chamber is connected with an intake path from an oil sump of the combustion engine, and a pressure side of the screw chamber is connected with a feed path to moving parts of the combustion engine. The lubrication oil conveying system is characterised in particular in that the screw pump is driven by the combustion engine; and towards the suction side of the screw chamber, an adjustable throttle valve is provided by means of which a flow cross-section of the intake path is gradually limitable between an opened position and a closed position. Therefore, the oil pressure in a combustion engine is, for the first time, adjusted by suction throttling in connection with a screw pump.

公开(公告)号：US20210040949A1

公开(公告)日：2021-02-11

申请号：US16979778

申请日：2018-12-12

申请人： NIDEC GPM GmbH

发明人： Conrad Nickel ,  Franz Pawellek

IPC分类号： F04C15/00 ,  F01C21/02 ,  F04C11/00

摘要： A modular system for a pump structure for the axial integration of a selection of electric drive assemblies (1) at a selection of pump assemblies (2) and a shaft bearing assembly (3) which includes a pump shaft (31) and a shaft bearing (32) with at least two rolling bearing sets, the shaft bearing (32) supporting the pump shaft (31) between a motor rotor (1) of the electric drive assembly (1) and a pump rotor (21) of the pump assembly (2) at a pump housing (20) of the pump assembly (2); wherein the selection of pump assemblies (2) jointly comprises a collar portion (23) at the pump housing (20) which accommodates the shaft bearing (32) in a through-hole of the pump housing (20) and protrudes to an accommodation side for an electric drive unit (1); and the selection of pump assemblies (2) differs with respect to the pump rotor (21) and/or a pump chamber (22); the selection of drive assemblies (1) jointly comprises a motor rotor (11) which is formed at a radially external section in the shape of a rotor cup (13), the rotor cup (13) radially encircling and axially intersecting the collar portion (23) that each pump housing (20) of the selection of drive assemblies (1) jointly comprises; and the selection of drive assemblies (1) differs with respect to a stator (12); and wherein for each combination of the selection of electric drive assemblies (1) and the selection of pump assemblies (2), at least one radial dimension of the pump shaft, the shaft bearing, the collar portion (23) and/or the rotor cup (13) are the same.