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公开(公告)号：US11845083B2
公开(公告)日：2023-12-19
申请号：US17535607
申请日：2021-11-25
Applicant: Enplas Corporation
Inventor： Koji Noguchi , Shigeru Uemura
CPC classification number: B01L3/50825 , A61B5/150351 , B01L2300/042 , B01L2300/0832 , B65D39/00 , B65D59/02 , B65D2539/003
Abstract: A container includes a container main body including a housing part and an opening, and a lid configured to close the opening and including an insertion part configured to be inserted to the opening. The outer peripheral surface of the insertion part includes first and second protrusions and first and second recesses. The inner peripheral surface of the opening includes third and fourth protrusions and third and fourth recesses. When the insertion part is temporarily inserted to the opening, the third protrusion presses the first recess in a state where the first protrusion is housed in the third recess. When the insertion part is fully inserted to the opening, the third protrusion presses the second recess and the fourth protrusion presses the first recess in a state where the first protrusion is housed in the fourth recess and the second protrusion is housed in the third recess.
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公开(公告)号：US20220023777A1
公开(公告)日：2022-01-27
申请号：US17299326
申请日：2019-11-28
Applicant: Enplas Corporation
Inventor： Shigeru Uemura , Koji Noguchi
Abstract: Provided is a filter-attached cartridge which is inexpensive and has high productivity. This filter-attached cartridge has: a first resin mesh which is an integrally molded body having a plurality of ribs arranged therein in a lattice shape; and a cylinder formed in a cylindrical shape so as to surround the first mesh.
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公开(公告)号：US10344728B2
公开(公告)日：2019-07-09
申请号：US14907966
申请日：2014-06-04
Applicant: Enplas Corporation
Inventor： Koji Noguchi
Abstract: In a nozzle plate of the present invention, a part of fuel flowing out from a fuel injection port of a fuel injection device is atomized by colliding with an interference body, is rapidly bent in a flowing direction, and collides with the fuel that is flowing straight through a nozzle hole and an orifice to make the fuel that flows straight through the nozzle hole and the orifice turbulent. The orifice includes a corner portion which is defined by an outer edge portion of the interference body and has a pointed shape without roundness at a part of an opening edge. The corner portion makes an end portion of a liquid film of the fuel passing through the orifice into a pointed shape for ease of atomization by friction with air.
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公开(公告)号：US10690099B2
公开(公告)日：2020-06-23
申请号：US16032692
申请日：2018-07-11
Applicant: Enplas Corporation
Inventor： Koji Noguchi
Abstract: A metal valve body having a fuel injection port includes a nozzle plate accommodation part accommodating a nozzle plate of synthetic resin and aligning a center of the nozzle plate with a central axis of the valve body. A front end surface abutting against the nozzle plate is accommodated in the nozzle plate accommodation part. A swage projection fixes the nozzle plate to the front end side on which the fuel injection port is formed. The nozzle plate is swage-fixed in the state in which a spring action part is elastically deformed on the front end side of the valve body by the swage projection, and a nozzle hole formation part is constantly pushed against the front end surface of the valve body by the elastic force of the spring action part.
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公开(公告)号：US10584670B2
公开(公告)日：2020-03-10
申请号：US15513026
申请日：2015-07-16
Applicant: ENPLAS CORPORATION
Inventor： Koji Noguchi
Abstract: A nozzle hole of a nozzle plate is connected to a fuel injection nozzle of a fuel injection unit through a swirl chamber and first and second fuel guide grooves opened to the swirl chamber. The swirl chamber is an oval recess provided with the nozzle orifice in its center. A first fuel guide groove is opened to one end side of a major axis of the oval recess, and a second fuel guide groove is opened to the other end side of the major axis of the oval recess. The first and second fuel guide grooves are formed such that the same amount of fuel flows to the swirl chamber. The same amount of fuel flowing from the first and second fuel guide grooves to the swirl chamber is guided to the nozzle orifice at the same time while revolving inside the swirl chamber in the same direction.
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Patent Agency Ranking
公开(公告)号：US12220654B2
公开(公告)日：2025-02-11
申请号：US17299326
申请日：2019-11-28
Applicant: Enplas Corporation
Inventor： Shigeru Uemura , Koji Noguchi
Abstract: Provided is a filter-attached cartridge which is inexpensive and has high productivity. This filter-attached cartridge has: a first resin mesh which is an integrally molded body having a plurality of ribs arranged therein in a lattice shape; and a cylinder formed in a cylindrical shape so as to surround the first mesh.
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公开(公告)号：US11933401B2
公开(公告)日：2024-03-19
申请号：US17495860
申请日：2021-10-07
Applicant: Enplas Corporation
Inventor： Koji Noguchi , Shigeru Uemura
CPC classification number: F16J1/005 , B29C45/261
Abstract: Provided is a plunger including: a plunger body; a first surface configured to come into contact with an inner peripheral surface of the cylindrical member; a second surface disposed on a base end side relative to the first surface, the second surface having an outer diameter that is smaller than that of the first surface; an outer stepped surface disposed between the first surface and the second surface; a first housing disposed in an area at least partly corresponding to the second surface in the recess, the first housing being provided for housing a tip part of the pin; a second housing disposed on the base end side relative to the first housing, the second housing having an inner diameter that is smaller than a largest inner diameter of the first housing; and an inner stepped surface disposed between the first housing and the second housing.
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公开(公告)号：US20220016555A1
公开(公告)日：2022-01-20
申请号：US17299327
申请日：2019-11-28
Applicant: Enplas Corporation
Inventor： Koji Noguchi , Shigeru Uemura
Abstract: Provided is an inexpensive mesh filter with high productivity. This mesh filter, which is an integrally molded product of resin, includes: a mesh part in which a plurality of ribs are disposed in a lattice shape; a rim part which is formed in an annular shape so as to surround the mesh part, and to which the plurality of ribs are connected; and a final filling part which is disposed on the inner side of the rim part, and to which some of the plurality of ribs are connected. The cross-sectional area of at least one rib among the ribs connected to the final filling part is smaller than the cross-sectional area of at least one rib among the ribs not connected to the final filling part.
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公开(公告)号：US10352285B2
公开(公告)日：2019-07-16
申请号：US14890734
申请日：2014-05-02
Applicant: Enplas Corporation
Inventor： Koji Noguchi
Abstract: In a nozzle plate, a portion of fuel flowing out from a fuel injection port of the fuel injection device is atomized by impinging on an interference body. At the same time, the flow of the portion of fuel is sharply bent and impinges on fuel which straightly advances and passes through a nozzle hole and an orifice thus turning the flow of fuel into a turbulent flow. Further, both end portions of the orifice form non-rounded sharpened corner portions. Hence, a liquid film of fuel injected from the corner portions and areas in the vicinity of the corner portions of the orifice is formed into a thin sharpened and pointed state whereby an end portion of the liquid film of fuel injected from the orifice is easily atomized due to a friction between the end portion of the liquid film of fuel and air.
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公开(公告)号：US10047713B2
公开(公告)日：2018-08-14
申请号：US15032173
申请日：2014-10-08
Applicant: Enplas Corporation
Inventor： Koji Noguchi
Abstract: A metal valve body having a fuel injection port includes a nozzle plate accommodation part accommodating a nozzle plate of synthetic resin and aligning a center of the nozzle plate with a central axis of the valve body. A front end surface abutting against the nozzle plate is accommodated in the nozzle plate accommodation part. A swage projection fixes the nozzle plate to the front end side on which the fuel injection port is formed. The nozzle plate is swage-fixed in the state in which a spring action part is elastically deformed on the front end side of the valve body by the swage projection, and a nozzle hole formation part is constantly pushed against the front end surface of the valve body by the elastic force of the spring action part.
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