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1. 发明授权

US12119722B2 Drive motor with a connection device 有权
公开(公告)号：US12119722B2
公开(公告)日：2024-10-15
申请号：US17606879
申请日：2020-04-30
申请人： Festool GmbH
发明人： Bernd Walter , Florian Goos , Volker Barth
IPC分类号： H02K3/52 , H02K7/08 , H02K7/14 , H02K15/00 , H02K21/16 , B25F5/00
CPC分类号： H02K3/522 , H02K7/083 , H02K7/145 , H02K15/0062 , H02K21/16 , B25F5/00
摘要： A drive motor for a suction tool (400) or a machine tool in the form of a hand-held power tool (200, 300) or a semi-stationary machine tool. The drive motor (20, 120) has a stator (80) with an excitation coil assembly (86) and a rotor (40, 140) with a motor shaft (30, 130) which is rotatably mounted on the stator or relative to the stator (80) about a rotational axis (D) by means of a bearing assembly (24A), and the drive motor (20, 120) has a connection device (100) for electrically connecting the drive motor to an energizing device (206, 306) for energizing the excitation coil assembly (86). The connection device (100) has a main part (103) for securing to the stator (80) and a receiving arm (108) which protrudes from the main part (103), a conductor receiving area (107) being formed between the main part and the receiving arm for at least one electric coil conductor (88) of an excitation coil (87) of the excitation coil assembly (86). The connection device (100) has a connection contact region (101) for electrically connecting a connection line (15) for connecting to the energizing device (206, 306).

2. 发明申请

US20220224184A1 DRIVE MOTOR WITH A GROOVE COVER 有权
公开(公告)号：US20220224184A1
公开(公告)日：2022-07-14
申请号：US17607212
申请日：2020-04-30
申请人： Festool GmbH
发明人： Florian Goos , Volker Barth , Hans-Dieter Braun
IPC分类号： H02K5/04 , H02K7/08 , H02K7/14 , H02K21/16 , H02K15/14
摘要： A drive motor for a suction device or a machine tool in the form of a handheld power tool or a semi-stationary machine tool, wherein the drive motor includes a stator having an excitation coil assembly and a rotor having a motor shaft, which is rotatably mounted around a rotational axis on the stator or with respect to the stator by means of a bearing assembly, wherein the rotor is received in a rotor receptacle of the stator, the inner circumference of said receptacle having grooves which extend along longitudinal axes that run parallel to the rotational axis and have insertion openings which are open towards the rotational axis and are provided for inserting excitation coils of the excitation coil assembly and are closed by groove covers, wherein the groove covers are in engagement with the engage-behind contours of the grooves at their opposite longitudinal sides, each of which extends along the longitudinal axis of the respective groove, said longitudinal axis being transverse to a transverse spacing between the longitudinal sides, and the groove covers have a wall section for covering the groove between the longitudinal sides.

3. 发明申请

US20220224192A1 DRIVE MOTOR WITH AN INSULATING HOUSING 有权
公开(公告)号：US20220224192A1
公开(公告)日：2022-07-14
申请号：US17607197
申请日：2020-04-30
申请人： Festool GmbH
发明人： Volker Barth , Florian Goos
IPC分类号： H02K5/22 , H02K3/52 , H02K15/02
摘要： A drive motor for a suction device (400) or a machine tool in the form of a handheld power tool (200, 300) or a semi-stationary machine tool, wherein the drive motor (20, 120) includes a stator (80) having an excitation coil assembly (86) and a rotor (40, 140) having a motor shaft (30, 130), which is rotatably mounted around a rotational axis (D) on the stator or with respect to the stator (80) by means of a bearing assembly (24A) and passes through a shaft through-opening (42, 142) of a laminated core (41, 141) which is held on the motor shaft (30, 130) and is electrically insulated from the motor shaft (30, 130). It is provided that an insulation sleeve (60) is arranged between the motor shaft (30, 130) and the laminated core (41, 141), which is inserted into the shaft through-opening (42, 142) and has a socket (64) with an insertion opening (64A) through which the motor shaft (30, 130) is plugged into the socket along an insertion axis (S).

4. 发明申请

US20220209614A1 DRIVE MOTOR WITH A CONNECTION DEVICE 有权
公开(公告)号：US20220209614A1
公开(公告)日：2022-06-30
申请号：US17606879
申请日：2020-04-30
申请人： Festool GmbH
发明人： Bernd Walter , Florian Goos , Volker Barth
IPC分类号： H02K3/52 , H02K7/08 , H02K7/14 , H02K21/16 , H02K15/00
摘要： A drive motor for a suction tool (400) or a machine tool in the form of a hand-held power tool (200, 300) or a semi-stationary machine tool. The drive motor (20, 120) has a stator (80) with an excitation coil assembly (86) and a rotor (40, 140) with a motor shaft (30, 130) which is rotatably mounted on the stator or relative to the stator (80) about a rotational axis (D) by means of a bearing assembly (24A), and the drive motor (20, 120) has a connection device (100) for electrically connecting the drive motor to an energizing device (206, 306) for energizing the excitation coil assembly (86). The connection device (100) has a main part (103) for securing to the stator (80) and a receiving arm (108) which protrudes from the main part (103), a conductor receiving area (107) being formed between the main part and the receiving arm for at least one electric coil conductor (88) of an excitation coil (87) of the excitation coil assembly (86). The connection device (100) has a connection contact region (101) for electrically connecting a connection line (15) for connecting to the energizing device (206, 306).

5. 发明授权

US12113424B2 Drive motor with an insulating housing 有权
公开(公告)号：US12113424B2
公开(公告)日：2024-10-08
申请号：US17607197
申请日：2020-04-30
申请人： Festool GmbH
发明人： Volker Barth , Florian Goos
IPC分类号： H02K5/22 , H02K3/52 , H02K15/02
CPC分类号： H02K5/225 , H02K3/522 , H02K15/028
摘要： A drive motor for a suction device (400) or a machine tool in the form of a handheld power tool (200, 300) or a semi-stationary machine tool, wherein the drive motor (20, 120) includes a stator (80) having an excitation coil assembly (86) and a rotor (40, 140) having a motor shaft (30, 130), which is rotatably mounted around a rotational axis (D) on the stator or with respect to the stator (80) by means of a bearing assembly (24A) and passes through a shaft through-opening (42, 142) of a laminated core (41, 141) which is held on the motor shaft (30, 130) and is electrically insulated from the motor shaft (30, 130). It is provided that an insulation sleeve (60) is arranged between the motor shaft (30, 130) and the laminated core (41, 141), which is inserted into the shaft through-opening (42, 142) and has a socket (64) with an insertion opening (64A) through which the motor shaft (30, 130) is plugged into the socket along an insertion axis (S).

6. 发明授权

US11894747B2 Drive motor with a groove cover 有权
公开(公告)号：US11894747B2
公开(公告)日：2024-02-06
申请号：US17607212
申请日：2020-04-30
申请人： Festool GmbH
发明人： Florian Goos , Volker Barth , Hans-Dieter Braun
IPC分类号： H02K5/04 , H02K7/08 , H02K7/14 , H02K15/14 , H02K21/16
CPC分类号： H02K5/04 , H02K7/083 , H02K7/145 , H02K15/14 , H02K21/16
摘要： A drive motor for a suction device or a machine tool in the form of a handheld power tool or a semi-stationary machine tool, wherein the drive motor includes a stator having an excitation coil assembly and a rotor having a motor shaft, which is rotatably mounted around a rotational axis on the stator or with respect to the stator by means of a bearing assembly, wherein the rotor is received in a rotor receptacle of the stator, the inner circumference of said receptacle having grooves which extend along longitudinal axes that run parallel to the rotational axis and have insertion openings which are open towards the rotational axis and are provided for inserting excitation coils of the excitation coil assembly and are closed by groove covers, wherein the groove covers are in engagement with the engage-behind contours of the grooves at their opposite longitudinal sides, each of which extends along the longitudinal axis of the respective groove, said longitudinal axis being transverse to a transverse spacing between the longitudinal sides, and the groove covers have a wall section for covering the groove between the longitudinal sides.

7. 发明申请

US20220209602A1 SYSTEM COMPRISING DRIVE MOTORS FOR HAND-HELD POWER TOOLS 有权
公开(公告)号：US20220209602A1
公开(公告)日：2022-06-30
申请号：US17606895
申请日：2020-04-30
申请人： Festool GmbH
发明人： Jörg Wilde , Markus Stark , Patrick Schön , Tobias Hofmann , Florian Goos
IPC分类号： H02K1/30 , H02K3/52 , H02K7/08 , H02K7/14 , H02K21/16
摘要： A system including a first drive motor (120) and a second drive motor (20). The drive motors (20, 120) are provided for a suction device (400) or a machine tool in the form of a hand-held power tool (200, 300) or a semi-stationary machine tool or form components of the suction device (400) or the machine tool. Each of the drive motors (20, 120) has a stator (80) with an excitation coil assembly (86) and a rotor (40, 140) with a motor shaft (30, 130) which is rotatably mounted about a rotational axis on the stator or relative to the stator (80) using a bearing assembly (24A) and which passes through a shaft through-opening (42, 142) of a laminated core (41, 141) held on a holding portion (33) of the respective motor shaft (30, 130).

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