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Patent Searching and Data


Matches 1 - 50 out of 10,328

Document Document Title
WO/2018/187605A1
A head assembly for a multi-cylinder compressor or pump having a first cylinder and a second cylinder includes a valve plate that has a first cylinder portion and a second cylinder portion. The valve plate further includes a valve plate ...  
WO/2018/184620A1
The invention relates to a roller tappet, in particular for a high-pressure fuel pump, which roller tappet is guided in the direction of the longitudinal axis thereof in a housing receptacle and is driven translatably in the longitudinal...  
WO/2018/178502A1
Invention relates to a fuel pump (10) for supplying fuel to an internal combustion piston engine, comprising a body (18) and a cylindrical space (30) in the body having a central axis (32), a piston member (28) arranged to reciprocate in...  
WO/2018/177694A1
The invention relates to a tappet assembly (1) for supporting a pump piston (2), which can carry out a stroke movement, of a radial piston pump, in particular a high-pressure fuel pump, on a cam (3) of a drive shaft (4), comprising a tap...  
WO/2018/178501A1
Invention relates to a high pressure fuel pump assembly (100) comprising a number of piston pump units (10) driven by a drive shaft (110) of the pump assembly (100), a drive shaft lubrication system (114) and pump unit lubrication system...  
WO/2018/178500A1
Invention relates to a fuel pump (10) for supplying fuel to an internal combustion piston engine, comprising a body (18) and a cylindrical space (30) in the body (18) having a central axis (32) a piston member (28) arranged to reciprocat...  
WO/2018/183154A1
A positive displacement pump is provided. The pump comprises at least one piston operable to be powered by a power source and to pressurize a fluid. The at least one piston comprises an at least partially hollow piston wherein a flow of ...  
WO/2018/170632A1
A breathing device for a bionic robot, comprising a motor (1), a cylinder fixing member (2), a rotor (3), a rotor fixing bracket (4), blades (5), a damping block (6), an air chamber (7), a left air chamber (71), a right air chamber (72),...  
WO/2018/172050A1
The present invention relates to a pump (1) comprising two pump assemblies symmetrically arranged relative to a plane perpendicular to the axis of a drive shaft (12), each pump assembly comprising a cylinder (4, 5), a plate (2, 3), an in...  
WO/2018/168884A1
This servo regulator (100) comprises: a servo piston (20); a first pressure chamber (54a) and a second pressure chamber (54b); a spool (30); a biasing member (71); a first support part (36) for supporting one end (71a) of a biasing membe...  
WO/2018/168883A1
This servo regulator (100) comprises: a servo piston (20); pressure chambers (54a, 54b); spools (30a, 30b); biasing members (37a, 37b); a feedback unit (80) which changes the biasing force of the biasing members (37a, 37b) by rotating in...  
WO/2018/168882A1
This servo regulator (100) comprises: a servo piston (20) which is connected to a swash plate (3); pressure chambers (54, 55) which are provided to face the end of the servo piston (20); spools (30, 40) which are moved by solenoids (37, ...  
WO/2018/166731A1
The invention relates to a feed system (1) for a fuel injection system, in particular for a common rail injection system, comprising a pre-feed pump (2) and a high-pressure pump (3), which are connected by means of an intake line (4), wh...  
WO/2018/163504A1
According to the present invention, a nitrided layer (13) is formed on the base material surface side of a cylinder block (7) including an opening-side end surface (7B) and each of cylinder holes (12). In addition, a piston sliding surfa...  
WO/2018/160234A2
A hydraulic piston pump (100) includes a piston (128) disposed in a blind housing bore (150) of a piston housing (124) and that reciprocates to generate a pumping action. To accommodate the piston (128), a piston cartridge (170) is insta...  
WO/2018/158074A1
The invention relates to a pump element (48) for a high-pressure pump, in particular a high-pressure fuel pump in a common-rail injection system, comprising a pump piston (49), which is reciprocated in a pump cylinder head (50) and which...  
WO/2018/153395A1
The invention relates to a method for producing pot-shaped housings (1) for roller tappets (20), wherein each housing (1) has an end (3) connected in one piece, in the outer face (4) of which there is a diametrically running semi-cylindr...  
WO/2018/156974A1
Apparatuses, methods and systems for dispensing liquids and fluids at specified flow rates are disclosed. In many embodiments, a pump is not required. Some embodiments are configured to provide constant flow rates, and other embodiments ...  
WO/2018/153396A1
A roller tappet (1), in particular for a high pressure fuel pump or for a valve train of an internal combustion engine, having a housing (2) which has a loose roller (4) at its drive-side end (3), wherein the tappet (1) has separately jo...  
WO/2018/154213A1
The invention relates to an articulated coupling (1) provided for a piston sealing device (2) for a piston (3) that includes a stationary skirt (7) and a sliding skirt (12) connected to one another by a mechanical link between skirts (13...  
WO/2018/139067A1
When a priority actuator and another actuator are not operated, a solenoid valve is in a valve-closed state, and a priority valve is switched to a first switch position, thus supplying hydraulic oil only to the priority actuator. When th...  
WO/2018/137974A1
The invention relates to a wobble pump (1) comprising a wobble plate (7), for which the angle of inclination of the rotating plate (2) in relation to the drive shaft (5) can be adjusted by means of a spherical joint with a finger (8).  
WO/2018/130527A1
A planar micromechanical actuator suspended on opposing suspension zones comprising a neutral axis between the opposing suspension zones, first to fourth segments into which the planar micromechanical actuator is segmented between the op...  
WO/2018/132591A1
A fluid compressor includes a housing; a compression chamber within the housing; a motor; a shaft that is rotated by the motor; and a piston assembly including at least two pistons directly connected to each other without any connecting ...  
WO/2018/122005A1
The invention relates to a pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine, comprising at least one cylinder (14), a piston (15) which is displaceably arranged in the cylinder (14), and a pressure val...  
WO/2018/122007A1
The invention relates to a pump unit for feeding fuel, preferably diesel fuel, to an internal combustion engine, comprising at least one cylinder (14), a piston (15) which is displaceably arranged in the cylinder (14), and a pressure val...  
WO/2018/124727A1
A piston pump comprises: a sleeve housing having a discharge hole and having a bore formed therein; a piston having an inlet flow path for introducing oil into the bore and inserted into the bore so as to reciprocate; an inlet flow valve...  
WO/2018/114141A1
Displacement control device (1) for variably adjusting the displacement of an axial piston hydraulic pump comprising a rotary shaft (10) mounted in a housing (20) and rotatable around a shaft axis (13) of the rotary shaft (10). The rotar...  
WO/2018/108894A1
The invention relates to a piston pump in particular an axial piston pump (1) or a radial piston pump (42) with a high delivery rate at a low rotational speed, comprising the following: a frame (2, 2'); a control element (10, 10') which ...  
WO/2018/109692A1
Pump (1) comprising a first hollow cylindrical body (2) therein containing: a second hollow body (11) with a cylindrical outer profile and internally shaped in a cam-like manner, the second hollow body (11) being associated to drive mean...  
WO/2018/108350A1
A pump (1), in particular a high-pressure pump of a fuel injection system, having a cylinder head assembly (3) and a tappet assembly (9). The tappet assembly (9) has a pump piston (13) which, in interaction with a drive device, is moved ...  
WO/2018/100845A1
Provided is a staking affixation structure for a plunger pump, which is characterized in that: a housing is deformed and staked to a member to which the housing is to be staked, thereby enabling a plunger pump accommodated within a hole ...  
WO/2018/091366A1
A pumping assembly for feeding fuel, preferably diesel fuel, to an internal combustion engine, has a pump body (4, 9), at least one cylinder (14) formed in the pump body (4, 9), a closing lid (29) defining, together with the pump body (4...  
WO/2018/091488A1
A high pressure fuel pump (12) has a housing (38) in which a camshaft (18) is arranged rotatable between a front bearing (20) and a rear bearing (22), the camshaft (18) cooperating with a piston sliding in a bore to alternatively vary th...  
WO/2018/088487A1
This cylinder block has formed therein a plurality of cylinder bores which open in a piston insertion side end surface, and is configured such that when caused to rotate, pistons inserted into each cylinder bore slide in a reciprocating ...  
WO/2018/087376A1
The present invention relates to a volumetric pump that comprises an inlet section and an outlet section. The pump also comprises a first volume with variable geometry that is connected through a first suction valve to said inlet section...  
WO/2018/078255A1
This cryogenic pump comprises: – a pump body (2) inside which is a piston (26) mounted so as to be mobile in translation along an axis (24), referred to as the longitudinal axis, and bounding a pumping chamber (31), – means for suppl...  
WO/2018/077652A1
The present application discloses a plunger-type pump (100) and a cam driven element (10) thereof. The plunger-type pump (100) comprises a housing (4), a camshaft (5), a plunger (6) and a cam driven element (10). A pin (2) of the cam dri...  
WO/2018/072933A1
The invention relates to a high pressure pump (100) for conveying fluid which is under high pressure, wherein the high pressure pump (100) comprises a variable-volume compression chamber (6) and a pressure valve (101). The pressure valve...  
WO/2018/073298A1
A high pressure pump for feeding fuel, preferably diesel fuel, to an internal combustion engine; the pump (1) comprising: a cylinder (4); a pumping piston (5) coupled to the cylinder (4) and comprising a head (18) and an opposite base po...  
WO/2018/069134A1
Roller tappet (1) for a piston pump, in particular for a high-pressure fuel pump, for supporting a reciprocating pump piston (2) on a cam (3) or eccentric of an input shaft (4), comprising a tappet member (5) that has a front recess (6) ...  
WO/2018/070187A1
Provided is a plunger pump having improved durability without resulting in reduced productivity. This pump device is provided with a sliding part provided between a stopper part and an eccentric cam in the direction of an eccentric shaft...  
WO/2018/069138A1
Roller tappet (1) for a piston pump, in particular for a high-pressure fuel pump, for supporting a reciprocating pump piston (2) on a cam (3) or eccentric of an input shaft (4), comprising a tappet member (5) that has a front recess (6) ...  
WO/2018/064060A1
A pump system includes a first pump and a second pump each having a plunger assembly. The plunger assembly includes a crosshead, a plunger, and a sleeve. The sleeve at least partially surrounds the plunger and an end of the crosshead. Th...  
WO/2018/058755A1
A medical pressure-stabilizing pump, comprising a pump body (10), a first flow channel conversion element (11a), a second flow channel conversion element (11b), a check valve (12) and a switchover valve (13). The pump body is provided wi...  
WO/2018/059900A1
The invention relates to a roller tappet (1) for a piston pump, in particular for a high-pressure fuel pump, for supporting a pump piston (2) which can move in a reciprocating motion on a cam (3) or eccentric of a drive shaft (4), compri...  
WO/2018/060158A1
The invention relates to a tappet assembly (1) for supporting a reciprocating pump piston (2) of a radial piston pump, in particular a high-pressure fuel pump, on a cam (3) of a drive shaft (4), comprising a hollow-cylindrical tappet bod...  
WO/2018/055301A2
The invention relates to a method for controlling a fuel pump for a motor vehicle, whereby the fuel pump can deliver a minimum volume of fuel. The method comprises the following steps (for each iteration): determining a set amount of fue...  
WO/2018/055301A3
The invention relates to a method for controlling a fuel pump for a motor vehicle, comprising determining if a set amount of fuel to be compressed is less than the minimum volume that can be delivered by the pump and, if this is the case...  
WO/2018/056027A1
Provided is a plunger pump capable of ensuring quietness. The plunger pump is provided with a cylinder, a piston, a discharge valve, and a plug member. The plug member is provided with: a recessed part which is formed on a circumferentia...  

Matches 1 - 50 out of 10,328