Login| Sign Up| Help| Contact|

Patent Searching and Data


Matches 101 - 150 out of 11,923

Document Document Title
WO/2022/004431A1
A first yoke (641) is capable of forming a magnetic circuit (Mc1) on a pressurizing chamber side of a coil (60), in the axial direction of the coil (60), by means of energization of the coil (60). A second yoke (645) is capable of formin...  
WO/2022/002565A1
The invention relates to a high pressure fuel pump (10) comprising a pump houisng (12) and a pump piston (18). According to the invention, the high pressure fuel pump also comprises a sleeve element (64) which is arranged around the pump...  
WO/2021/245984A1
Provided is a solenoid valve control device with which it is possible to detect the movement of a valve body in response to a drive command without adding a special circuit. This solenoid valve control device controls the opening and clo...  
WO/2021/239785A1
The invention relates to a high-pressure pump for raising the pressure level of a fluid, more particularly a fuel, the high-pressure pump comprising: - a movable piston for compressing a pump chamber; - an inlet valve for letting the flu...  
WO/2021/235018A1
The objective of the present invention is to provide a high-pressure fuel supply pump with which it is possible to reduce stress arising in a part forming a space provided for a welded portion, while preventing penetration of spatter int...  
WO/2021/235019A1
Provided is a fuel pump with which volumetric efficiency can be improved. This fuel pump is provided with: a pump body (1) provided with a pressurizing chamber (11); a plunger (2) which reciprocates in the pressurizing chamber (11); a di...  
WO/2021/229862A1
Provided are a valve mechanism which is easy to manufacture, while suppressing inclination and eccentricity of a valve body and suppressing a deterioration in the response characteristics of the valve body, and a high-pressure fuel suppl...  
WO/2021/210243A1
Provided is a high-pressure fuel supply pump in which the strength of a flange can be increased without increasing plate thickness. A flange 13 is provided with a step section 13b1 (first step section), a step section 13b2 (second step s...  
WO/2021/197684A1
A high-pressure fuel pump (10) comprises a pump housing (12), a pump piston (18) accommodated in a receiving opening (16) of the pump housing (12), a high-pressure seal (42) which surrounds the pump piston (18) in a sealing manner and wh...  
WO/2021/196140A1
A housing (10) for a tappet. The housing (10) comprises, along the axial direction of the housing (10), a first section (11) located on a driving side and a second section (12) located on a driven side, the outer diameter of the first se...  
WO/2021/185508A1
A high pressure fuel pump (10) comprises: a pump housing (12); a pump piston (18); a high pressure seal (40) which is disposed between the pump piston (18) and the pump housing (12) and seals the pump piston (18) with respect to a high p...  
WO/2021/171775A1
According to the present invention, a high-pressure fuel pump is quietly controlled by reducing noise generated by an anchor colliding with a fixed core. A control device (800) for the high-pressure fuel pump energizes a solenoid (205) i...  
WO/2021/164807A1
The invention relates to a tappet (1) for acting on a pump piston of a high-pressure fuel pump of an internal combustion engine, comprising a tubular housing (2), wherein at the upper annular end face (3) of the tubular housing, two surf...  
WO/2021/167078A1
The purpose of the present invention is to increase the pressure of fuel while reducing an increase in the maximum lift amount of a cam and deterioration of a fuel injection ability. This cam for use in a fuel injection pump that increas...  
WO/2021/156265A1
An inlet metering valve (IMV) assembly for an engine fuel pump (10) of a gasoline direct-injection (GDI) system, comprising an IMV cartridge assembly and a solenoid assembly (28), the IMV cartridge assembly comprising an IMV valve body (...  
WO/2021/158270A1
A fueling system comprising a high pressure fuel pump including a fuel inlet and a fuel outlet, a fuel rail positioned downstream of the high pressure fuel pump, a fuel outlet line coupling the high pressure fuel pump to the fuel rail, a...  
WO/2021/140829A1
Provided are an ejection valve mechanism capable of improving responsiveness during opening of an ejection valve and a high-pressure fuel supply pump provided with the same. An ejection valve mechanism 500 is provided with: a valve seat ...  
WO/2021/129966A1
The invention relates to a high-pressure fuel pump with a housing, with a conveying chamber which is arranged in the housing, and with a conveying piston which is arranged in the housing such that it can be displaced in an axial directio...  
WO/2021/126210A1
A tappet roller assembly in which a roller shoe has a roller bore shaped to receive and retain a roller. The roller is sized and configured to rotate within the roller bore. The roller shoe may have a lubricating passage extending from a...  
WO/2021/116204A1
An injector apparatus (10) for injecting fluid under pressure into an associated chamber (32), the apparatus including a body (12), a first piston (14) moveable in the body, the first piston (14) defining a first working area facing an a...  
WO/2021/101566A1
A plunger is provided for reciprocating inside the barrel of a fuel pump. The plunger has a proximal end and a distal end. The proximal end of the plunger includes a cavity that defines a depressed volume within the plunger. A volume fil...  
WO/2021/099043A1
A high-pressure fuel pump for a fuel system of an internal combustion engine, with a pump housing and with an outlet check valve (20) which is arranged in the pump housing, wherein the outlet check valve (20) comprises a valve seat eleme...  
WO/2021/100439A1
The objective of the present invention is to ensure a gap between components on a suction-valve side and components on an anchor side when the valve is closed, and enable the valve to close reliably, regardless of the cumulative toleranc...  
WO/2021/095556A1
Provided is a fuel supply pump capable of improving weld quality while maintaining function of a valve element. The fuel supply pump of the present invention comprises: a restricting member (discharge valve stopper 84) that guides the mo...  
WO/2021/088324A1
A multi-cylinder combined high-pressure oil pump of a marine low-speed machine, comprising: a pump body assembly (1), which comprises: a pump body (101) and a bearing bush (102), the pump body (101) being provided with a first horizontal...  
WO/2021/084715A1
A high-pressure fuel pump wherein the pressurization timing of the high-pressure fuel pump can be set at unequal intervals, a cam lobe of a plunger-driving cam is formed in a continuous manner such that there are no discontinuous section...  
WO/2021/078464A1
The invention relates to a high pressure fuel pump (10) for a fuel injection system of an internal combustion engine, comprising a pump housing (12) and a recess (26) arranged in the pump housing (12) in which a pressure limiting valve (...  
WO/2021/069276A1
A pumping unit has a pre-feed pump (3) for feeding fuel to a high-pressure pump (2) provided with at least one cylinder (14) slidably engaged by a piston (15), and with an intake valve (29) having a closing member (34) slidably engaged t...  
WO/2021/054003A1
This fuel pump module comprises: an approximately cylindrical module case 2 having an opening 3; a module cover occluding the opening 3; a pump body disposed in the interior of the module case 2; a feed line for delivering fuel to the ex...  
WO/2021/054006A1
Provided is an electromagnetic suction valve that enables dead volume in a pressurization chamber to be reduced. This electromagnetic suction valve is provided with a valve member, a seat member, and a valve biasing member. The valve mem...  
WO/2021/053434A1
System is an electronic fueling method used in gasoline internal combustion engines. This system must be designed and manufactured separately for each engine with a different volume for better performance. The basis that distinguishes th...  
WO/2021/049247A1
Provided is a fuel pump with which it is possible to improve productivity. This fuel pump is provided with a pump body (1), a plunger (2), an electromagnetic suction intake valve (3), and a relief valve (4). The plunger (2) reciprocates ...  
WO/2021/037842A1
A pump unit for feeding fuel, preferably diesel, to an internal-combustion engine (3) has a high-pressure pump (6) provided with at least one cylinder (9) connected to a feed manifold (29) via a suction line (30) and a suction valve (22)...  
WO/2021/032466A1
The invention relates to a method for operating a high pressure pump (1) for compressing fuel, wherein an electromagnetically actuatable suction valve (3) is used to fill a pump element chamber (2) with fuel, which suction valve comprise...  
WO/2021/028170A1
The invention relates to a high-pressure fuel pump (28) comprising a low-pressure region (43) and a pressure pulsation damper (44) arranged in the low-pressure region (43), the pressure pulsation damper (44) comprising at least one diaph...  
WO/2021/028282A1
The invention relates to a high-pressure fuel pump (30) comprising a housing (58), a pump chamber (60) arranged in the housing (58), and a pump piston (62) that can move in the housing (58) and delimiting the pump chamber (60). A pressur...  
WO/2021/028580A1
The aim of the invention is to provide a sealing arrangement (100) which is easily mountable and ensures a reliable sealing. To this end, a sealing arrangement is proposed, which comprises a support element (106) and a ring-shaped sealin...  
WO/2021/028169A1
The invention relates to a high-pressure fuel pump (28) comprises a pump housing (46), a receiving space (52) in the pump housing (46), a pressure pulsation damper (44) in the form of a diaphragm cell (56) having two diaphragms (58a, 58b...  
WO/2021/008648A1
The invention relates to a roller tappet (1) for a high-pressure fuel pump, having a housing (2), next to the drive-side annular face (3) of which a cam contact roller (4) is accommodated, wherein: a bridge piece (5) sits on an inner lat...  
WO/2021/006044A1
This pressure adjustment device comprises: a first chamber communicating with an upstream path, a second chamber communicating with a downstream path, a third chamber communicating with a space inside a fuel tank, a first pressure-receiv...  
WO/2020/260667A1
A common rail system for a fuel injection system of an internal combustion engine, the common rail system comprising: a high pressure pump for receiving fuel from a fuel tank; at least one fuel injector for delivering fuel to the interna...  
WO/2020/262217A1
The purpose of the present invention is to provide a structure configured such that a rod can shift relative to a movable core (36), wherein the occurrence of cavitation erosion in the movable core (36) is minimized. For this purpose, th...  
WO/2020/263216A1
A tappet assembly for use in translating force between a camshaft lobe and a fuel pump assembly via reciprocal movement within a tappet cylinder having a guide slot. The tappet assembly comprises a tappet body defining a pair of aperture...  
WO/2020/259953A1
Control of a metering solenoid valve in a pump unit for supplying fuel to an internal combustion engine, having a high-pressure pump; a pre-supply pump for supplying the fuel from a containing tank to the high-pressure pump; and a hydrau...  
WO/2020/255524A1
In a welding structure in which a gap is formed by a pump body and a functional component, since the gap is a closed space, air having expanded by the effect of heat during welding shoves a back bead of the weld, and this makes the shape...  
WO/2020/252119A1
A nozzle assembly (46) for a fuel injector (32) includes an injector housing (42) having a casing (46) and a stack (52) within the casing (46), an outlet check (38) movable within a nozzle cavity (74) in the injector housing (42), and ha...  
WO/2020/236640A1
A dual chamber fuel tank protector valve has a transversely oriented divider defining a plurality of apertures for fluid flow between a first port and a second port. Each chamber has a seal disk therein. The first seal disk is normally b...  
WO/2020/224859A1
The invention relates to a method for coating a mechanically highly loaded surface (2) of a component (1) consisting of a hardened steel with a nitrogen and/or carbon component with an adherent or functional coating (4) for surface treat...  
WO/2020/213234A1
The objective of the present invention is to suppress a deterioration in the durability or the oil-tight performance of a suction inlet valve mechanism by stabilizing the motion of a suction inlet valve. To this end, a high-pressure fuel...  
WO/2020/213235A1
Provided are a solenoid valve mechanism capable of reducing tilt of a movable core during movement; and a high-pressure fuel supply pump having the same. To this end, the solenoid valve mechanism 300 is provided with: a coil 41 provided ...  

Matches 101 - 150 out of 11,923