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公开(公告)号：US11821396B2
公开(公告)日：2023-11-21
申请号：US17634889
申请日：2020-10-19
Applicant: Robert Bosch GmbH
Inventor： Dietmar Schmieder , Kai Gartung , Tobias Keller
IPC: F02M55/00
CPC classification number: F02M55/005 , F02M2200/856 , F02M2200/858 , F02M2200/9015
Abstract: A fuel injector having an improved sealing of an intake nozzle with respect to the receiving opening of a fuel distribution rail. A support ring, which engages with the sealing ring on the intake side, is provided at the intake nozzle. The support ring includes a planar underside for resting on a shoulder of the intake nozzle and a V-shaped contact surface facing the sealing ring. The support ring, which is acted on by the sealing ring, is provided with the V-shaped conical contact surface for the sealing ring that ensures that in the case of increased pressures, a minor radial escape of the support ring is made possible to the radial inside and outside and thus radial gaps and an extruding of the sealing ring into same are prevented.
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公开(公告)号：US20190107092A1
公开(公告)日：2019-04-11
申请号：US16142889
申请日：2018-09-26
Applicant: Robert Bosch GmbH
Inventor： Dietmar Schmieder , Corren Heimgaertner
Abstract: A decoupling element for a fuel injection device is characterized in that a low-noise configuration is implemented, and includes at least one fuel injector and a receiving borehole in a cylinder head for the fuel injector, and the decoupling element is introduced between a valve housing of the fuel injector and a wall of the receiving borehole. The decoupling element has a bowl- or cup-shaped configuration, and includes a radially outer contact area and a radially inner contact area with which the decoupling element is radially inwardly and radially outwardly placeable against the fuel injector and a shoulder of the receiving borehole. The radially inner contact area of the decoupling element has a contact surface that corresponds to a convexly curved countersurface on the fuel injector. The fuel injection device is for the direct injection of fuel into a combustion chamber of a mixture-compressing spark ignition internal combustion engine.
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公开(公告)号：US20190107091A1
公开(公告)日：2019-04-11
申请号：US16142811
申请日：2018-09-26
Applicant: Robert Bosch GmbH
Inventor： Dietmar Schmieder , Corren Heimgaertner
IPC: F02M61/14
Abstract: The decoupling element is for a fuel injection device, in which a low-noise configuration is implemented, and includes at least one fuel injector and a receiving borehole in a cylinder head for the fuel injector, and the decoupling element is introduced between a valve housing of the fuel injector and a wall of the receiving borehole. The decoupling element has a bowl- or cup-shaped configuration, and includes a radially outer contact area and a radially inner contact area with which the decoupling element is radially inwardly and radially outwardly placeable against the fuel injector and a shoulder of the receiving borehole. The radially inner contact area of the decoupling element has a spherically convex contact surface whose curvature has a largely constant spherical radius. The fuel injection device is particularly suited for the direct injection of fuel into a combustion chamber of a mixture-compressing spark ignition internal combustion engine.
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公开(公告)号：US20180093210A1
公开(公告)日：2018-04-05
申请号：US15564584
申请日：2016-04-20
Applicant: Robert Bosch GmbH
Inventor： Dietmar Schmieder , Andreas Jakobi , Henning Kreschel , Martin Mueller , Thomas Sebastian , Tilo Landenfeld , Wolfgang Stoecklein
CPC classification number: B01D29/46 , B01D29/111
Abstract: A filter, including a plurality of annularly closed disks having a through-opening. The disks include at least one contact area projecting from a lateral surface for a contact with an adjoining disk, and radial flow-through areas adjoining the contact area, and the disks being situated as a disk stack.
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公开(公告)号：US20150048265A1
公开(公告)日：2015-02-19
申请号：US14348998
申请日：2012-09-25
Applicant: ROBERT BOSCH GMBH
Inventor： Dietmar Schmieder , Thomas Sebastian , Andreas Jakobi
CPC classification number: F02M61/205 , F02M51/0603 , F02M61/08 , F02M61/167 , F02M2200/705
Abstract: A hydraulic coupling is specified, particularly for fuel injectors, which has a housing pot having a pot bottom and a lateral pot surface, a piston guided axially displaceably in the housing pot, a fluid-filled coupling gap that is provided between the piston and the pot bottom, diaphragm situated on the outer side of the housing pot facing away from the piston, a compensation chamber that is bordered by the diaphragm and flow-connected to the coupling gap, and a spring element acting upon the diaphragm with an axially directed spring force. In order to achieve a low overall stiffness of the hydraulic coupling at the required specified coupling force, the spring element is developed as a spring bracket fixed to the housing pot, which lies against the diaphragm with axial prestressing in the region of the pot bottom.
Abstract translation: 特别是对于燃料喷射器来说，特别是具有一个具有锅底和一个侧面的表面的壳体，一个沿轴向位移地引导到壳体内的活塞的液压联接器，一个流体填充的联接间隙，其设置在活塞和 罐底部，隔膜位于壳体的背离活塞的外侧上，补偿室由隔膜接合并流动连接到联接间隙，弹簧元件作用在具有轴向定向弹簧的隔膜上 力。 为了在所需的规定的联接力下实现液压联轴器的低总体刚度，弹簧元件被显影成固定到壳体的弹簧支架，该壳体在罐底部的区域中具有轴向预应力而抵靠隔膜。
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Patent Agency Ranking
公开(公告)号：US20150014436A1
公开(公告)日：2015-01-15
申请号：US14381005
申请日：2013-01-25
Applicant: ROBERT BOSCH GMBH
Inventor： Thomas Koch , Dietmar Schmieder
IPC: F02M63/00
CPC classification number: F02M63/0026 , F02M61/08 , F02M61/167 , F02M2200/705 , F02M2200/707
Abstract: A valve for metering fluid having a valve assembly which meters the fluid, and a hydraulic coupler assigned to the valve assembly. The coupler has a housing cup having a cup bottom, cup wall and cup opening; a piston is guided inside the housing cup in axially displaceable manner and delimits a fluid-filled coupler gap in the direction of the cup bottom and delimits an annular gap in the direction of the cup wall; and a cap-shaped diaphragm having a cap bottom and cap shell, which covers the annular gap at the cup opening by the cap bottom and overlaps the cup wall of the housing cup by the cap shell, and is fixed in place at the piston and cup wall in fluid-tight manner. To achieve a sufficiently large volume of the compensating volume enclosed between the diaphragm on the one side and the piston and housing cup on the other side, that is able to accommodate volume changes of the fluid volume in the coupler gap created under pressure, the cap shell includes elastic deformation regions, which follow one another in the circumferential direction, point radially toward the inside, and extend in the radial direction.
Abstract translation: 一种用于计量流体的阀，其具有用于计量流体的阀组件和分配给阀组件的液压联接器。 联接器具有壳杯，其具有杯底，杯壁和杯开口; 活塞在壳体杯内以可轴向移动的方式引导，并限定在杯底方向上的流体填充的联接器间隙，并限定在杯壁方向上的环形间隙; 以及帽形隔膜，其具有帽底和帽壳，其通过帽底覆盖杯开口处的环形间隙，并且通过帽壳与壳体杯的杯壁重叠，并且在活塞处固定就位， 杯壁以流畅的方式。 为了实现在一侧上的隔膜与另一侧上的活塞和壳体杯之间的足够大的体积的补偿体积，其能够适应在压力下产生的联接器间隙中的流体体积的变化， 壳体包括在圆周方向上彼此相对的弹性变形区域，径向朝向内侧，并且沿径向方向延伸。
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公开(公告)号：US20250035073A1
公开(公告)日：2025-01-30
申请号：US18710172
申请日：2022-09-26
Applicant: Robert Bosch GmbH
Inventor： Dietmar Schmieder , Hubert Stier
IPC: F02M21/02
Abstract: A gas injector for injecting a gaseous medium. The gas injector includes: a closing element which opens and closes a passage opening at a first sealing seat; an actuator for actuating the closing element; a restoring element for restoring the closing element; a second sealing seat which is located between a gas supply line connection and the first sealing seat in the flow direction of the gaseous medium and opens and closes a gas flow path in the gas injector; a vacuum connection which is located upstream of the second sealing seat in the flow direction of the gas injector; and a control valve which is fluidically connected to the vacuum connection and is designed to connect the vacuum connection to a vacuum source in order to open the second sealing seat.
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公开(公告)号：US11560868B2
公开(公告)日：2023-01-24
申请号：US16308666
申请日：2017-06-14
Applicant: Robert Bosch GmbH
Inventor： Dietmar Schmieder , Philipp Rogler
Abstract: An injector for injecting a fluid, including a valve seat, on which a sealing area is situated, and a closing element, which is situated on an injector center line and which, on the valve seat, releases and closes at least one through-opening, the at least one through-opening having a main axis at an angle of inclination with respect to the injector center line, the at least one through-opening having an inflow area, and the inflow area having a tapering design.
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公开(公告)号：US20220290642A1
公开(公告)日：2022-09-15
申请号：US17634889
申请日：2020-10-19
Applicant: Robert Bosch GmbH
Inventor： Dietmar Schmieder , Kai Gartung , Tobias Keller
IPC: F02M55/00
Abstract: A fuel injector having an improved sealing of an intake nozzle with respect to the receiving opening of a fuel distribution rail. A support ring, which engages with the sealing ring on the intake side, is provided at the intake nozzle. The support ring includes a planar underside for resting on a shoulder of the intake nozzle and a V-shaped contact surface facing the sealing ring. The support ring, which is acted on by the sealing ring, is provided with the V-shaped conical contact surface for the sealing ring that ensures that in the case of increased pressures, a minor radial escape of the support ring is made possible to the radial inside and outside and thus radial gaps and an extruding of the sealing ring into same are prevented.
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公开(公告)号：US11092125B2
公开(公告)日：2021-08-17
申请号：US16955528
申请日：2018-10-29
Applicant: Robert Bosch GmbH
Inventor： Dietmar Schmieder , Corren Heimgaertner , Kai Gartung , Kilian Groh
Abstract: A valve, in particular, a fuel injector, has an improved sealing at its spray-side end. The fuel injector includes an excitable actuator for actuating a valve closing body, which together with a valve seat surface formed on a valve seat body forms a seal seat, and spray openings formed downstream of the valve seat surface, and a valve seat support, which accommodates the valve seat body, forms a portion of a valve housing and is fixedly connected to the valve seat body. A plastically deformable sealing element is introduced into an annular gap between the valve seat support and the valve seat body to avoid corrosion and damage of a weld seam.
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