Patents Assigned to Vacon Oyj
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Publication number: 20040113733Abstract: The invention relates to a fastening device for a toroidal choking coil for fastening a toroidal coil (1) to an electric device or a corresponding supporting base (13), the toroidal choking coil comprising an inner circumference defined by a surface parallel with an axis of rotation of the toroidal choking coil (1) and located closest to the axis of rotation, an outer circumference defined by a surface parallel with the axis of rotation of the toroidal choking coil (1) and located outermost from the axis of rotation, and side surfaces defined by surfaces perpendicular to the axis of rotation of the toroidal choking coil (1) and connecting the inner circumference and the outer circumference.Type: ApplicationFiled: May 28, 2003Publication date: June 17, 2004Applicant: VACON OYJInventors: Osmo Rainer Miettinen, Matti Johannes Pussinen
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Publication number: 20040104800Abstract: The invention relates to a fastening device for fastening a toroidal choking coil (1) to a base or the like, the toroidal choking coil comprising an inner circumference defined by a surface parallel with an axis of rotation of the toroidal choking coil and located closest to the axis of rotation. The toroidal choking coil further comprises an outer circumference defined by a surface parallel with the axis of rotation of the toroidal choking coil and located outermost from the axis of rotation, and side surfaces defined by surfaces perpendicular to the axis of rotation of the toroidal choking coil and connecting the inner circumference and the outer circumference.Type: ApplicationFiled: May 28, 2003Publication date: June 3, 2004Applicant: VACON OyjInventors: Osmo Rainer Miettinen, Matti Johannes Pussinen
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Patent number: 6583706Abstract: The invention relates to a toroidal choking coil comprising a substantially annular core, a winding around the core, and a fixing device arranged around the core substantially between the core and the winding. The toroidal choking coil is characterized in that the fixing device comprises a hoop-like collar and one or more fasteners resting on the collar for attaching the toroidal choking coil onto fastening surfaces of a mounting site. The collar and the fasteners resting on the collar are manufactured from one piece. An inner rim that fastens against the core of the collar comprises several adjacent wavefronts that are transversely located with respect to an outer surface of the core and that comprise successive valleys and protrusions.Type: GrantFiled: March 2, 2001Date of Patent: June 24, 2003Assignee: Vacon OyjInventor: Longinos Larikka
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Patent number: 6452469Abstract: The present invention relates to a switching device (14) which is arranged to switch a load (12) to a direct voltage circuit (13). The switching device (14) comprises a switching member (14a) consisting of at least three contacts (7,8,9), a control member (10) which controls the contacts (7,8,9) of the switching member (14a) and has the positions open [0] and closed [1], and one or more spring members (16a, 16b) which are tensioned by the control member (10) and control the contacts.Type: GrantFiled: October 29, 2001Date of Patent: September 17, 2002Assignee: Vacon OyjInventors: Dan Isaksson, Eero Pasanen, Leo Palomaki
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Patent number: 6400555Abstract: An arrangement for fastening a capacitor to an electrotechnical device and for protecting the capacitor from stresses caused by the environment. The arrangement includes a disk-like frame, one or more openings pierced in the frame, a capacitor to be fastened to each opening and one or more substantially hollow domed fastening and protection means, inside of which one of the capacitors is arranged, wherein each of the fastening and protection means is arranged into one of the openings in the frame.Type: GrantFiled: March 2, 2001Date of Patent: June 4, 2002Assignee: Vacon OyjInventors: Osmo Miettinen, Jukka Jaskari
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Publication number: 20020057149Abstract: The present invention relates to a switching device (14) which is arranged to switch a load (12) to a direct voltage circuit (13). The switching device (14) comprises a switching member (14a) consisting of at least three contacts (7, 8, 9), a control member (10) which controls the contacts (7, 8, 9) of the switching member (14a) and has the positions open [0] and closed [1], and one or more spring members (16a, 16b) which are tensioned by the control member (10) and control the contacts.Type: ApplicationFiled: October 29, 2001Publication date: May 16, 2002Applicant: VACON OYJInventors: Dan Isaksson, Eero Pasanen, Leo Palomaki
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Patent number: 6388907Abstract: The present invention relates to an arrangement in a frequency converter whose substantial part is an embedding frame (4). The frequency converter (1) is mounted in a set of casings, in which a cover part (7) of at least one casing comprises an opening (8), in which is arranged the embedding frame (4) comprising a frame part (4A) connected to the cover part (7) of the embedding frame (4) and a substantially enclosed tub-like recess (4B) that substantially protrudes inside the casing from the frame part (4A), whereby the control part (3) of the frequency converter (1) is arranged in the recess (4B) of the embedding frame (4).Type: GrantFiled: April 10, 2001Date of Patent: May 14, 2002Assignee: Vacon OyjInventor: Longinos Larikka
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Patent number: 6385069Abstract: The present invention relates to a frequency converter comprising a power part and a control and adjustment part. The frequency converter is characterized in that the control and adjustment part is arranged to be a separate control and adjustment unit separated from the power part and in that the control and adjustment unit forming the control and adjustment part is arranged to be connected to the power part by a telecommunication unit. The telecommunication unit is a wired optic connection or a wireless connection, the control and adjustment part and the power part then being galvanically separated.Type: GrantFiled: March 2, 2001Date of Patent: May 7, 2002Assignee: Vacon OyjInventors: Osmo Miettinen, Jukka Jaskari
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Publication number: 20010036098Abstract: The present invention relates to an arrangement in a frequency converter whose substantial part is an embedding frame (4). The frequency converter (1) is mounted in a set of casings, in which a cover part (7) of at least one casing comprises an opening (8), in which is arranged the embedding frame (4) comprising a frame part (4A) connected to the cover part (7) of the embedding frame (4) and a substantially enclosed tub-like recess (4B) that substantially protrudes inside the casing from the frame part (4A), whereby the control part (3) of the frequency converter (1) is arranged in the recess (4B) of the embedding frame (4).Type: ApplicationFiled: April 10, 2001Publication date: November 1, 2001Applicant: VACON OYJInventor: Longinos Larikka
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Publication number: 20010021094Abstract: The present invention relates to an arrangement for fastening and protecting a capacitor. The arrangement comprises a disk-like frame (1), one or more openings (2) pierced in the frame (1), and a condenser (3) to be fastened to each opening (2). The arrangement is characterized in that it comprises one or more substantially hollow domed fastening and protection means (10) intended to be arranged in each opening (2) in the frame (1), and inside which fastening and protection means (10) the capacitor (3) is to be arranged.Type: ApplicationFiled: March 2, 2001Publication date: September 13, 2001Applicant: VACON OYJInventors: Osmo Miettinen, Jukka Jaskari
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Publication number: 20010020887Abstract: The invention relates to a toroidal choking coil comprising a substantially annular core, a winding around the core, and a fixing device arranged around the core substantially between the core and the winding. The toroidal choking coil is characterized in that the fixing device comprises a hoop-like collar and one or more fasteners resting on the collar for attaching the toroidal choking coil onto fastening surfaces of a mounting site. The collar and the fasteners resting on the collar are manufactured from one piece. An inner rim that fastens against the core of the collar comprises several adjacent wavefronts that are transversely located with respect to an outer surface of the core and that comprise successive valleys and protrusions.Type: ApplicationFiled: March 2, 2001Publication date: September 13, 2001Applicant: VACON OYJInventor: Longinos Larikka
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Publication number: 20010019495Abstract: The present invention relates to a frequency converter comprising a power part and a control and adjustment part. The frequency converter is characterized in that the control and adjustment part is arranged to be a separate control and adjustment unit separated from the power part and in that the control and adjustment unit forming the control and adjustment part is arranged to be connected to the power part by a telecommunication unit. The telecommunication unit is a wired optic connection or a wireless connection, the control and adjustment part and the power part then being galvanically separated.Type: ApplicationFiled: March 2, 2001Publication date: September 6, 2001Applicant: VACON OYJInventors: Osmo Miettinen, Jukka Jaskari