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Results 1-10 of 119 for Criteria:FP:(fuel magnet) Office(s):all Language:EN Stemming: true maximize
Filters PAF_M:ROBERT BOSCH GMBH close
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Analysis
Analysis

List Length
Machine translation
TitleCtrPubDate
Int.ClassAppl.NoApplicantInventor
1. WO/2018/114110 FUEL INJECTOR AND METHOD FOR OPERATING A FUEL INJECTORWO28.06.2018
F02M 61/16
PCT/EP2017/078281ROBERT BOSCH GMBHTUERKER, Oezguer
The invention relates to a fuel injector (100), having an injection element (20) which is at least indirectly actuatable by a magnet armature (35; 35a; 35b), wherein the magnet armature (35; 35a; 35b) is arranged such that it can perform stroke movements along a longitudinal axis (21) within an injector housing (11) and, in the event of a magnet coil (45) that interacts with the magnet armature (35; 35a; 35b) being electrically energized with a current intensity (I1, I2), is movable counter to the spring force of a spring element (41) against a positionally fixed stroke stop (55), and wherein the stroke stop (55) is arranged in a radially outer region (56) of the magnet armature (35; 35a; 35b) in relation to the longitudinal axis (21).

2. WO/2018/091232 METHOD FOR CONTROLLING A SOLENOID VALVE OF A FUEL INJECTORWO24.05.2018
H01F 7/18
PCT/EP2017/077085ROBERT BOSCH GMBHOEHLSCHLAEGER, Fabian
The invention relates to a method for controlling a solenoid valve of a fuel injector for injecting pressurised fuel into an internal combustion engine, with a solenoid coil and a magnet armature that can be energised by powering the solenoid coil to release a through-opening for fuel, the solenoid valve being operable in a first mode of operation (B1) and in a second mode of operation (B2). In each of the modes of operation (B1, B2), the solenoid coil for energising the magnet armature is powered for a first time interval (Δt1) with a pick-up current, and then for a second time interval with a holding current, which is smaller than the pick-up current, the solenoid valve first being operated in the first mode of operation (B1), and in accordance with at least one pre-determined criterion (TS1, TS2) switches from the first mode of operation (B1) into the second mode of operation (B2), and in the first mode of operation (B1), the first time interval (Δt1) is longer and/or the holding current is higher than in the second mode of operation (B2).

3. WO/2018/036765 ELECTROMAGNETICALLY ACTUATABLE SUCTION VALVE AND METHOD FOR PRODUCING AN ELECTROMAGNETICALLY ACTUATABLE SUCTION VALVEWO01.03.2018
F02M 59/36
PCT/EP2017/069507ROBERT BOSCH GMBHKOLB, Stefan
The invention relates to an electromagnetically controllable suction valve (1) for a high-pressure fuel pump (2), comprising a magnet assembly (3) and a hydraulic module (4), the hydraulic module (4) engaging at least in sections in an annular magnet coil (5) of the magnet assembly (3). According to the invention, a heat-conducting material (6) and/or a heat-conducting body (7) is/are arranged between the magnet coil (5) and the hydraulic module (4). The invention further relates to a method for producing an electromagnetically actuatable suction valve (1).

4. WO/2018/033278 ELECTROMAGNETICALLY ACTUATABLE SUCTION VALVE AND HIGH-PRESSURE FUEL PUMPWO22.02.2018
F02M 59/36
PCT/EP2017/065202ROBERT BOSCH GMBHLANGENBACH, Christian
The invention relates to an electromagnetically controllable suction valve (1) for a high-pressure fuel pump (2), comprising an annular magnet coil (3) for acting on an armature (5) that can be coupled to a valve tappet (4), said armature being received at least in sections in a central recess (6) of a valve body (7) in a reciprocating manner, where a magnet sleeve (8) surrounding the magnet coil (3) at least in sections is axially supported on the valve body (7), said magnet sleeve comprising a radially outwardly extending collar (9) for receiving a retaining nut (10), by means of which the suction valve (1) can be fixed to the high-pressure pump (2). According to the invention, an annular sealing element (11) is arranged on the magnet sleeve (8), directly on the collar (9). The invention also relates to a high-pressure fuel pump (2) comprising such a suction valve (1).

5. WO/2018/028865 ELECTROMAGNETICALLY ACTUABLE INTAKE VALVE AND HIGH-PRESSURE FUEL PUMPWO15.02.2018
F02M 59/36
PCT/EP2017/065194ROBERT BOSCH GMBHKOLB, Stefan
The invention relates to an electromagnetically actuable intake valve (1) for a high-pressure fuel pump (2), comprising an annular magnet coil (3) for acting on an armature (7) which is able to move in translation between two end stops (4, 5) and can be coupled to a valve tappet (6), which armature (7) is at least partially received in a cavity (8) of a valve body (9). According to the invention, the armature (7) has multiple eccentrically arranged through-bores (10) which are or can be hydraulically connected via at least one circumferential slot (11) created in the armature (7) and/or in a stop element (12) forming the first end stop (4). Furthermore, the invention relates to a high-pressure fuel pump (2) having such an intake valve (1).

6. WO/2018/001626 ELECTROMAGNETICALLY ACTUATABLE INLET VALVE AND HIGH-PRESSURE PUMP COMPRISING AN INLET VALVEWO04.01.2018
C21D 7/08
PCT/EP2017/061783ROBERT BOSCH GMBHKOLB, Stefan
The invention relates to an electromagnetically actuatable inlet valve (24) for a high-pressure pump, in particular of a fuel-injection system. The inlet valve (24) has a valve member (34) which can be moved between an open position and a closed position. An electromagnetic actuator (60) is provided, which can move the valve member (34), the electromagnetic actuator (60) having a magnet armature (68) acting at least indirectly on the valve member (34) and a magnet coil (64) surrounding the magnet armature (68). The magnet armature (68) is movably guided in a reciprocating manner over the outer casing thereof in a recess (76) of a support element (78). The surface (77) of the recess (76) of the support element (78) and/or the surface (67) of the outer casing of the magnet armature (68) is smoothed and/or cold-hardened by means of a machining process, in particular by means of a roller burnishing method or a smooth rolling method.

7. WO/2017/215861 RESIDUAL AIR GAP DISK FOR A SOLENOID VALVE AND FUEL INJECTOR HAVING A RESIDUAL AIR GAP DISKWO21.12.2017
F02M 51/06
PCT/EP2017/061653ROBERT BOSCH GMBHNIERYCHLO, Thomas
The invention relates to a residual air gap disk (30) for a solenoid valve (10), wherein the solenoid valve (10) serves to control a liquid flow in a fuel injector (100), comprising a first end face (35) associated with an electromagnet (15) and a second end face (36) associated with a magnet armature (25), wherein the first end face (35) is designed to lie against the electromagnet (15) and the second end face (36) is designed either to be in contact with the magnet armature (25) or to be spaced apart therefrom in accordance with the energization of the electromagnet (15). According to the invention, the first end face (35) of the residual air gap disk (30) is preferably flat and the second end face (36) of the residual air gap disk (30) is provided with a structure (38).

8. WO/2017/207256 SOLENOID VALVE AND FUEL INJECTOR HAVING A SOLENOID VALVEWO07.12.2017
F02M 47/02
PCT/EP2017/061649ROBERT BOSCH GMBHOLEMS, Lars
The invention relates to a solenoid valve (10), in particular for controlling a liquid flow in a fuel injector (100), having an electromagnet (30) and a magnet armature (40) which is arranged so as to be capable of reciprocating motion and co-operates with the electromagnet (30), wherein the magnet armature (40) has a sleeve-like portion (51) having a through opening (44) formed therein, in which an anchor bolt (35) is arranged, wherein a radial guide gap (45) is formed between the anchor bolt (35) and the through opening (44), and wherein the magnet armature (40) is arranged so as to be longitudinally movable on the anchor bolt (35).

9. WO/2017/178149 VALVE, IN PARTICULAR A SUCTION VALVE, IN A HIGH-PRESSURE PUMP OF A FUEL INJECTION SYSTEMWO19.10.2017
F02M 59/36
PCT/EP2017/054766ROBERT BOSCH GMBHKOLB, Stefan
The invention relates to a valve, in particular a suction valve (2), in particular in a high-pressure pump of a fuel injection system, having a valve element (14) that moves between an open position and a closed position, comprising a magnet armature (10) which is in mechanical contact with the valve element (14) in the axial direction and which is in contact with a first pressure spring (4) on the side facing away from the valve element (14), and wherein the magnet armature (10) can be axially moved via an electromagnetic actuation and same is supported in a starting position on a valve body (40) via a stop plate (20). According to the invention, the stop plate (20) is held in contact with the valve body (40) via a securing element (8). The invention also relates to a high-pressure pump comprising a suction valve of this type.

10. WO/2017/178132 FUEL INJECTION NOZZLEWO19.10.2017
F02M 51/06
PCT/EP2017/053227ROBERT BOSCH GMBHLANG, Heike
The invention relates to a fuel injection nozzle, comprising an injector housing (1) and an nozzle body (2), which forms a high-pressure chamber (15) that can be filled with fuel that is under high pressure. A nozzle needle (5) is arranged in said high-pressure chamber (15) for movement in a reciprocating manner, which nozzle needle interacts with a sealing surface (7) having a nozzle seat (6) in order to open and close at least one injection opening (8). In addition, the high-pressure chamber (15) has a sleeve element (14), in which a first coil (10) and a second coil (9) are arranged. Furthermore, a first magnet core (12) is arranged in the high-pressure chamber (15). The end of the nozzle needle (5) facing away from the nozzle seat is designed as a second magnet core (11). Furthermore, the distance d between the end of the nozzle needle (5) facing away from the nozzle seat and the first magnet core (12) corresponds to the maximum nozzle needle stroke.


Results 1-10 of 119 for Criteria:FP:(fuel magnet) Office(s):all Language:EN Stemming: true maximize
Filters PAF_M:ROBERT BOSCH GMBH close
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