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公开(公告)号：US20230330583A1
公开(公告)日：2023-10-19
申请号：US18142761
申请日：2023-05-03
申请人： Guido VALENTINI
发明人： Guido VALENTINI
CPC分类号： B01D46/2411 , B01D46/0004 , B01D46/0043 , B01D46/0049 , B01D46/4227 , B01D46/4245 , B01D46/46 , B24B55/102 , B01D2273/30
摘要： A filter arrangement for filtering dust-laden air generated by a hand-guided power tool having a motor features a filter cartridge having a hollow casing with a longitudinal extension along a longitudinal axis, a hollow filter element located inside the hollow casing, having a longitudinal extension along the longitudinal axis, an air inlet port in the hollow casing, pneumatically connected to the power tool to allow the dust-laden air generated by the power tool to flow into the hollow casing, and an air outlet port in the hollow casing, to allow filtered air to leave the filter cartridge. An external chamber of the filter cartridge is formed between the hollow casing and the hollow filter element. An internal chamber is formed inside the hollow filter element. The internal chamber is closed by a conical head portion at a first end of the internal chamber facing towards the air inlet port. The external chamber is in pneumatic connection with the air inlet port and the internal chamber at a second end opposite to the first end is in pneumatic connection with the air outlet port. The filter arrangement includes an active airflow generating device being in pneumatic connection with the air outlet port and the internal chamber of the filter cartridge in order to generate or support the airflow through the filter cartridge.
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公开(公告)号：US20220369884A1
公开(公告)日：2022-11-24
申请号：US17712322
申请日：2022-04-04
申请人： Guido VALENTINI
发明人： Guido VALENTINI
摘要： The invention refers to a suction device (2), in particular a vacuum cleaner or a dust extraction system, comprising a collection container (4) with a suction opening (10), a vacuum generating device (8), a suction hose (12) with its first end (14) connected to the suction opening (10) and its second end (16) connectable to an air outlet (18) of a hand-held electric or pneumatic power tool (20), a radio receiver (28) for receiving radio signals (30), and a communication device (32) located at or near the second end (16) of the suction hose (12) and comprising a sensor element (34) for detecting an operation status of the power tool (20), and a radio transmitter (38) for transmitting a radio signal (30) indicative of the operation status of the power tool (20). It is suggested that the communication device (32) and the radio receiver (28) are designed to realise only unidirectional communication from the radio transmitter (38) of the communication device (32) to the radio receiver (28) of the suction device (2).
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公开(公告)号：US20210154613A1
公开(公告)日：2021-05-27
申请号：US17092499
申请日：2020-11-09
申请人： Guido VALENTINI
发明人： Guido VALENTINI
摘要： The invention refers to a filter arrangement for filtering dust-laden air (7) generated by a hand-guided power tool (1), in particular a sander or a grinder, during operation of the power tool (1). The filter arrangement comprises a filter cartridge (13) having a hollow casing (14), a filter element (22) located inside the casing (14), an air inlet port (15) located downstream in respect to an airflow (8) through the filter cartridge (13) and in respect to the filter element (22) and adapted to be pneumatically connected to the power tool (1) in order to allow the dust-laden air (7) generated by the power tool (1) to flow into the casing (14), and an air outlet port (20) located upstream in respect to the airflow (8) through the filter cartridge (13) and in respect to the filter element (22), the air outlet port (20) adapted to allow filtered air (9) leave the filter cartridge (13). It is suggested that the filter arrangement comprises an active airflow generating device (30) with a fan (40) comprising a plurality of blades (44) and driven by an electric motor (38) separate from an electric motor of the power tool (1), the airflow generating device (30) being in pneumatic connection with the air inlet port (15) of the filter cartridge (13) or with the air outlet port (20) of the filter cartridge (13) in order to generate or support the airflow (8) through the filter cartridge (13).
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公开(公告)号：US20190240798A1
公开(公告)日：2019-08-08
申请号：US16251388
申请日：2019-01-18
申请人： Guido VALENTINI
发明人： Guido VALENTINI
IPC分类号： B24B23/04
CPC分类号： B24B23/046 , B24B23/02 , B24B23/04 , B24B45/006 , B24B47/12
摘要： The invention refers to a plate-like backing pad member (9) for use with a hand-held and hand-guided power tool (1). The backing pad member (9) is adapted for releasable attachment to a driving shaft (27) of the power tool (1) by means of a mechanical form fit connection arrangement comprising a protrusion member (16) connected to the driving shaft (27) and a recess member (17) connected to the backing pad member (9). The form fit connection is releasable in an axial direction running parallel to a rotational axis (13) of the backing pad member (9). The protrusion member (16) is held in the axial direction within the recess member (17) by means of an axial holding arrangement. It is suggested that the axial holding arrangement comprises at least one permanent magnet (40) on the one hand and at least one ferromagnetic element (41) or at least one further permanent magnet on the other hand exerting a magnetic force for holding the protrusion member (16) in the axial direction within the recess member (17). The at least one permanent magnet (40) or the at least one ferromagnetic element (41) or the at least one further permanent magnet is located in or makes part of the recess member (17).
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公开(公告)号：US20190193221A1
公开(公告)日：2019-06-27
申请号：US16225161
申请日：2018-12-19
申请人： Guido VALENTINI
发明人： Guido VALENTINI
CPC分类号： B23Q5/06 , B23Q15/00 , B25F5/001 , H02K7/14 , H02K49/102
摘要： The invention refers to a pneumatically driven apparatus, in particular a hand guided and/or hand held pneumatic power tool (1), comprising a pneumatic rotary vane motor (100), a working element (9) and a gear arrangement functionally located between the motor (100) and the working element (9) for transmitting a rotational movement and torque. The motor (100) comprises a housing defining a cylindrical chamber (114) extending along a cylinder axis, and a cylindrical rotor (104) located in the chamber (114) and extending along and rotatable about an axis (60) running parallel to the cylinder axis, the rotor (104) comprising a plurality of radially movable vanes (108) forced radially outwards during rotation of the rotor (104). It is suggested that the gear arrangement is a magnetic gear arrangement (20) and that the rotor (104) of the motor (100) comprises permanent magnets (56) attached thereto between the vanes (108) thereby making the rotor (104) of the pneumatic motor (100) form one of the rotating components (52; 54) of the magnetic gear arrangement (20).
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公开(公告)号：US20240025005A1
公开(公告)日：2024-01-25
申请号：US18376153
申请日：2023-10-03
申请人： Guido VALENTINI
发明人： Guido VALENTINI
IPC分类号： B24B23/02
CPC分类号： B24B23/028
摘要： The invention refers to a hand-held and hand-guided random orbital polishing or sanding power tool (1). The tool (1) comprises a static body (31), a motor (15), an eccentric element (17) driven by the motor (15) and performing a rotational movement about a first rotational axis (10), and a plate-like backing pad (9) connected to the eccentric element (17) in a manner freely rotatable about a second rotational axis (16). The first and second rotational axes (10, 16) extend essentially parallel to one another and are spaced apart from one another. In order to provide for a power tool (1) particularly quiet and low in vibrations, it is suggested that at least part of an external circumferential surface of the eccentric element (17) has an at least discrete rotational symmetry in respect to the first rotational axis (10); and the power tool (1) comprises at least one first bearing (30) provided between the rotationally symmetric part of the external circumferential surface of the eccentric element (17) and the static body (31) of the power tool (1) so that the eccentric element (17) is guided in respect to the body (31) in a manner rotatable about the first rotational axis (10).
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公开(公告)号：US20220226949A1
公开(公告)日：2022-07-21
申请号：US17712268
申请日：2022-04-04
申请人： Guido VALENTINI
发明人： Guido VALENTINI
摘要： The invention refers to a pneumatically driven apparatus, in particular a hand guided and/or hand held pneumatic power tool (1), comprising a pneumatic rotary vane motor (100), a working element (9) and a gear arrangement functionally located between the motor (100) and the working element (9) for transmitting a rotational movement and torque. The motor (100) comprises a housing defining a cylindrical chamber (114) extending along a cylinder axis, and a cylindrical rotor (104) located in the chamber (114) and extending along and rotatable about an axis (60) running parallel to the cylinder axis, the rotor (104) comprising a plurality of radially movable vanes (108) forced radially outwards during rotation of the rotor (104). It is suggested that the gear arrangement is a magnetic gear arrangement (20) and that the rotor (104) of the motor (100) comprises permanent magnets (56) attached thereto between the vanes (108) thereby making the rotor (104) of the pneumatic motor (100) form one of the rotating components (52; 54) of the magnetic gear arrangement (20).
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公开(公告)号：US20210001466A1
公开(公告)日：2021-01-07
申请号：US16914613
申请日：2020-06-29
申请人： Guido VALENTINI
发明人： Guido VALENTINI
摘要： The invention refers to an electric power tool (10) comprising a housing (12), an electric motor (34) located inside the housing (12), a working element (22) protruding from the housing (12), wherein the electric motor (34) is connected to the working element (22) in order to impose a rotational and/or an eccentric working movement (130, 132) to the working element (22), and two or more battery units (36, 44) adapted to provide electric energy to the electric motor (34) for its operation. It is suggested that one of the battery units is an external battery unit (36) provided separately from the rest of the electric power tool (10) and releasably attachable and electrically connectable to the rest of the electric power tool (10), and the at least one other battery unit is an internal battery unit (44) fixedly located inside the housing (38) and electrically connected to the rest of the electric power tool (10).
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公开(公告)号：US20190150683A1
公开(公告)日：2019-05-23
申请号：US16196191
申请日：2018-11-20
申请人： Guido VALENTINI
发明人： Guido VALENTINI
摘要： The invention refers to a vacuum cleaner (10) comprising a housing (15) with first components arranged therein which interoperate with one another in order to realize a first air flow (42′″) for a vacuum cleaning functionality. The first components comprise a first electric motor (40) and a first turbine (38) actuated by the first electric motor (40) in order to create the first air flow (42′″) and a low-pressure in a dust collecting chamber (22) of the vacuum cleaner (10) provided with an inlet opening (24) in order to suck in dust and small particles into the dust collecting chamber (22). The vacuum cleaner (10) further comprises second components separate from the first components and the second components interoperate with one another in order to realize a second air flow (100) for a purifying functionality of dust-laden air surrounding the vacuum cleaner (10). The second components comprise a second electric motor (96), a second turbine (98) actuated by the second electric motor (96) in order to create the second air flow (100), and at least one air filter element (104) through which the second air flow (100) is drawn in order to filter out most of the dust contained in the dust-laden air of the second air flow (100).
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公开(公告)号：US20190001458A1
公开(公告)日：2019-01-03
申请号：US16007597
申请日：2018-06-13
申请人： Guido VALENTINI
发明人： Guido VALENTINI
IPC分类号： B24B23/02
摘要： The invention refers to a polishing pad (11) adapted for being detachably attached to a bottom surface (9a) of a plate-like backing pad (9) of a hand-held power tool (1). The backing pad (9) is actuated by an electric or pneumatic motor of the hand-held power tool (1), in order to perform a purely rotating, a random orbital or a roto-orbital working movement. The polishing pad (11) comprises a bottom working surface (11b) facing a workpiece to be polished during intended use of the power tool (1). It is suggested that the bottom working surface (11b) has at least two pieces (12, 13) of polishing material with different characteristics. A bottom working surface (13b) of at least one of the pieces (13) of the polishing pad (11) having a first characteristic extends beyond a bottom working surface (12b) of at least another of the pieces (12) of the polishing pad (11) having a different second characteristic. (FIG. 2)
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