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公开(公告)号：US20200278037A1
公开(公告)日：2020-09-03
申请号：US16794179
申请日：2020-02-18
Applicant: NIDEC TOSOK CORPORATION
Inventor： Masaru MIYAGI
Abstract: A pressure control device includes: a body having a groove-shaped flow path including a groove part and a widened part connected to the groove part and having a width larger than a width of the groove part; and a filter unit accommodated in the widened part to intercept the groove-shaped flow path and capturing foreign matters mixed in a fluid passing through the groove-shaped flow path. The filter unit includes: a filter member in a cylindrical shape whose central axis is along a depth direction of the widened part; and a cap attached to the filter member on one end side in the central axis direction and having a defining part defining a circumferential-direction disposition position of the filter member to the groove part.
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公开(公告)号：US20200276520A1
公开(公告)日：2020-09-03
申请号：US16787025
申请日：2020-02-11
Applicant: NIDEC TOSOK CORPORATION
Inventor： Masaru MIYAGI
IPC: B01D29/00 , B01D35/30 , B01D35/147
Abstract: A pressure control device includes a body with a groove-shaped flow path including a groove part and a widened part connected to the groove part and having a width larger than a width of the groove part; and a filter member accommodated in the widened part to intercept the groove-shaped flow path and capturing foreign matters mixed in a fluid passing through the groove-shaped flow path. The filter member is in a cylindrical shape whose central axis is along a depth direction of the widened part, has elasticity in its radial direction, and is energized toward a radial-direction outer side when accommodated in the widened part to contact the widened part.
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Patent Agency Ranking
公开(公告)号：US20200278036A1
公开(公告)日：2020-09-03
申请号：US16789398
申请日：2020-02-12
Applicant: NIDEC TOSOK CORPORATION
Inventor： Masaru MIYAGI
Abstract: A pressure control device includes a body having a groove-shaped flow path including a groove part and a widened part; a filter unit having a frame body including a through hole part that penetrates in a direction orthogonal to a central axis, a filter member in a planar plate shape disposed on one end side in a direction of an axis of the groove-shaped flow path with respect to the through hole part, and a seal member in a ring shape disposed along an outer-side circumferential edge part of the frame body when viewed from the through hole part; and a plate-shaped member being attached to the body to cover the groove-shaped flow path in a state where the filter unit is accommodated in the widened part. The frame body has a regulating part which regulates a disposition direction of the filter member with respect to the groove part.
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公开(公告)号：US20200276524A1
公开(公告)日：2020-09-03
申请号：US16787032
申请日：2020-02-11
Applicant: NIDEC TOSOK CORPORATION
Inventor： Masaru MIYAGI , Kenichi OZAWA
Abstract: A pressure control device is provided and includes a body which has a groove-shaped flow path including a groove part and a widened part connected to the groove part and having a width larger than a width of the groove part, and a filter unit which captures foreign matters mixed in a fluid which passes through the groove-shaped flow path. The filter unit includes a frame body being in a cylindrical shape and including a through hole part which penetrates in a direction along a central axis, and at least one filter member being in a planar plate shape disposed to intercept the through hole part and supported inside the frame body, in which the filter unit is accommodated in the widened part so that a direction orthogonal to the central axis of the frame body is along a depth direction of the widened part.
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公开(公告)号：US20200276522A1
公开(公告)日：2020-09-03
申请号：US16792292
申请日：2020-02-16
Applicant: NIDEC TOSOK CORPORATION
Inventor： Masaru MIYAGI , Kenji OOHARA
Abstract: A pressure control device includes: a body having a groove-like channel containing a groove part and a widened part; and a filter unit having a cylindrical frame including a through hole part penetrating in a direction orthogonal to a central axis and a plate-shaped filter member disposed to cover the through hole part and supported on an inner side of the frame. The filter unit is accommodated in the widened part with a direction of the central axis of the frame being arranged along a depth direction of the widened part. The frame includes a convex part orthogonal to the penetrating direction of the through hole part and protruding toward an outer side of the frame.
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公开(公告)号：US20200277974A1
公开(公告)日：2020-09-03
申请号：US16789396
申请日：2020-02-12
Applicant: NIDEC TOSOK CORPORATION
Inventor： Masaru MIYAGI , Kenichi OZAWA
IPC: F15B21/041
Abstract: A pressure control device includes a body having a groove-shaped flow path including a groove part and a widened part, and a filter unit capturing foreign matters mixed in a fluid which passes through the groove-shaped flow path; the filter unit having a frame body including a through hole part and a filter member in a planar plate shape disposed with respect to the through hole part, and the filter unit being accommodated in the widened part. The frame body has: a first part having a first shape, a second part having a second shape smaller than the first shape, and a step part located at a boundary part between the first part and the second part The second part has a storage part provided in a penetrating manner on a bottom part side of the groove-shaped flow path and storing the captured foreign matters.
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公开(公告)号：US20200276523A1
公开(公告)日：2020-09-03
申请号：US16792282
申请日：2020-02-16
Applicant: NIDEC TOSOK CORPORATION
Inventor： Masaru MIYAGI , Kenji OOHARA
IPC: B01D29/03 , B01D35/30 , F15B21/041
Abstract: A pressure control device includes: a body having groove-like channel containing a groove part and a widened part; a filter unit having a cylindrical frame formed of an elastic material and including a through hole part penetrating in a direction orthogonal to a central axis and a plate-shaped filter member disposed to cover the through hole part and supported on an inner side of the frame. The filter unit is accommodated in the widened part with a direction of the central axis of the frame being arranged along a depth direction of the widened part; and a separate plate installed to the body to cover the groove-like channel in a state in which the filter unit is accommodated in the widened part. The frame has a length along the central axis greater than a depth of the widened part.
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