| Patent Number |
Title Of Patent |
Date Issued |
| 4699108 |
Fuel injection pumping apparatus |
October 13, 1987 |
| A fuel injection pumping apparatus of the rotary distributor type includes a rotary distributor member which is biased axially in one direction by a spring and is movable in the opposite direction by fluid pressure in a chamber. The axial setting of the distributor member determines the |
| 4652220 |
Liquid fuel pumping apparatus |
March 24, 1987 |
| A liquid fuel pumping apparatus for supplying fuel to an internal combustion engine has a rotary distributor member in which is mounted a plurality of pumping plungers which are engaged at their outer ends by cam followers which engage the internal surface of a cam ring. The distributor |
| 4635853 |
Fuel injection nozzles |
January 13, 1987 |
| A fuel injection nozzle includes a valve member axially movable in a bore. The bore is in part defined by a sleeve secured within a drilling. A space is defined between the end of the sleeve and the drilling and fuel under pressure is supplied to the space by means of a groove formed in |
| 4625694 |
Fuel pumping apparatus |
December 2, 1986 |
| A fuel pumping apparatus for supplying fuel to a compression ignition engine includes a positively reciprocated plunger which during a pumping stroke displaces fuel from a first pump chamber to an outlet and draws fuel into a second pump chamber. The apparatus includes an inlet chamber |
| 4575316 |
Rotary distributor pump |
March 11, 1986 |
| A rotary distributor pump has a radial bore mounting a pumping plunger at the outer end of which is a shoe carrying a captive roller engageable with the internal surface of a cam ring. The plungers are coupled to the shoes by a clip and further cam surfaces are provided engageable by the |
| 4572138 |
Fuel injection pumping apparatus |
February 25, 1986 |
| A fuel injection pumping apparatus for supplying fuel to an internal combustion engine comprises a rotary distributor member having a transverse bore mounting pumping plungers arranged to be moved inwardly by cam lobes on a cam ring. The outward movement of the plungers is controller |
| 4526519 |
Reciprocable plunger fuel injection pump |
July 2, 1985 |
| A reciprocable plunger fuel injection pump includes a plunger mounted in a pump barrel. A spring abutment is secured to the plunger and is engaged by one end of a spring the other end of which engages a further spring abutment slidable about the barrel. The barrel is provided with transv |
| 4522182 |
Fuel system for compression ignition engine |
June 11, 1985 |
| A fuel system for a compression ignition engine includes a body defining a mounting for a fuel injection nozzle. The body also accommodates a reciprocable piston fuel pump having a piston which is actuable by an engine driven cam. The body also defines a surface which in use locates |
| 4509487 |
Fuel system for multi-cylinder engine |
April 9, 1985 |
| A fuel system for a multi-cylinder engine comprises a plurality of engine operated pumps supplying fuel to the injection nozzles respectively of an engine. Each pump has an electromagnetic valve which must be closed to cause delivery of fuel by the respective pumps. The supply of power t |
| 4501244 |
Fuel injection pumping apparatus |
February 26, 1985 |
| A fuel injection pumping apparatus for supplying fuel to an internal combustion engine includes a cylinder in which is located a fluid pressure operable piston. An outlet extends from one end of the cylinder and a valve controls the flow of fuel to the one of the cylinder from a fuel |
| 4475515 |
Fuel systems for compression ignition engines |
October 9, 1984 |
| A fuel system for a compression ignition engine comprises a fuel injection nozzle including a fuel pressure actuated valve member biased by a spring contained in a chamber. Fuel is supplied through an inlet passage under pressure from a fuel pump. Valve means is provided which can be ope |
| 4474158 |
Liquid fuel pumping apparatus |
October 2, 1984 |
| A liquid fuel pumping apparatus for supplying fuel to an internal combustion engine includes a high pressure pump 10 having an outlet 13 for connection in use to an injection nozzle. Fuel is supplied by a low pressure pump to the high pressure pump and the amount of fuel delivered th |
| 4474157 |
Fuel injection pumping apparatus |
October 2, 1984 |
| A fuel injection pumping apparatus of the rotary distributor type has pumping plungers located in a bore in the distributor member. A cup shaped member surrounds the distributor member and has slots in which are located cam followers. The cup shaped member is connected to a drive shaft a |
| 4470398 |
Fuel injection pumping apparatus |
September 11, 1984 |
| A fuel injection pumping apparatus for supplying fuel to an internal combustion engine comprises a throttle element 21 for controlling fuel flow between a low pressure and a high pressure pump the latter delivering fuel in timed relationship to the associated engine. The high pressure |
| 4468179 |
Fuel injection pumping apparatus |
August 28, 1984 |
| A fuel injection pumping apparatus for supplying fuel to an internal combustion engine is of the rotary distributor type having a distributor member including a transverse bore and a pair of pumping plungers slidable in the bore. At the outer ends of the plungers cam followers are mounte |
| 4464099 |
Fuel injection pumping apparatus |
August 7, 1984 |
| A fuel injection pumping apparatus for supplying fuel to an internal combustion engine comprises a reciprocable plunger, a roller forming part of a tappet assembly and a cam for actuating the roller and plunger. The cam is formed on the outer peripheral surface of a cup-shaped member, |
| 4446836 |
Fuel injection pumping apparatus |
May 8, 1984 |
| A fuel injection pumping apparatus for supplying fuel to an internal combustion engine, includes an injection pump having a plunger movable inwardly by cam means to effect delivery of fuel and a valve operable to control the supply of fuel to the bore containing the plunger. The valve |
| 4446835 |
Liquid fuel injection pumping apparatus |
May 8, 1984 |
| A liquid fuel injection pumping apparatus of the rotary distributor type has stop means defined by complementary inclined surfaces on a rotary portion, coupled to a drive shaft and on the cam followers associated with the pumping plungers. The cam followers and the distributor member are |
| 4441474 |
Fuel injection pumping apparatus |
April 10, 1984 |
| A fuel injection pumping apparatus comprises a rotary distributor member which is also axially slidable within a fixed sleeve. The distributor member is provided with a recess which communicates with a bore containing the pumping plungers. The recess is provided with mutually inclined |
| 4418870 |
Fuel injection nozzles |
December 6, 1983 |
| A fuel injection nozzle includes a valve member biased by resilient means into contact with a seating to prevent fuel flow through an outlet from an inlet, the valve member being responsive to the pressure at the inlet and opening to allow fuel flow when the pressure attains a predetermi |
| 4412657 |
Fuel injection nozzles |
November 1, 1983 |
| A fuel injection nozzle for supplying fuel to an internal combustion engine includes a fuel pressure actuated valve member slidable within a bore. The working clearance defined between the co-operating surfaces of the valve member and bore at one end communicates in use with a source of |
| 4406264 |
Governor for engines |
September 27, 1983 |
| A two speed governor for a fuel pumping apparatus which supplies fuel to an internal combustion engine comprises a source of fuel under pressure which varies in accordance with the speed of the engine. Fuel is supplied through a first orifice and a second orifice in series from the sourc |
| 4401084 |
Fuel injection pumping apparatus |
August 30, 1983 |
| A liquid fuel injection pumping apparatus of the rotary distributor type has two forms of cam lobe on its cam ring. The first form of cam lobe is a pumping lobe which can effect inward movement of a plunger to achieve pumping of fuel and after the crest of the lobe has been passed allows |
| 4397615 |
Fuel injection pumping apparatus |
August 9, 1983 |
| A fuel injection pumping apparatus comprises an axially movable distributor member the axial setting of which determines the amount of fuel supplied by the apparatus at each pumping stroke. The distributor member is biassed by a spring in one axial direction and is movable in the opposit |
| 4393846 |
Fuel pumping apparatus |
July 19, 1983 |
| A fuel pumping apparatus includes an injection pump to which fuel is supplied through an adjustable throttle and which includes a fluid pressure operable device for controlling the timing of delivery of fuel. In order to accurately control the timing in accordance with the speed and |
| 4392793 |
Fuel pumping apparatus |
July 12, 1983 |
| A fuel pumping apparatus of the rotary distributor type has cam followers comprising rollers supported by shoes interposed between the pumping plungers and the cam ring. Stop rings are provided to limit the outward movement of the followers and one of these rings is axially adjustable so |
| 4392466 |
Fuel system for engines |
July 12, 1983 |
| A fuel system for supplying fuel to a pair of injection nozzles of an engine comprises a pair of pumps which can only deliver half the maximum amount of fuel which may be required. Each pump supplies fuel to a respective nozzle when the fuel required is less than half and the system |
| 4377139 |
Pumping systems |
March 22, 1983 |
| A fuel injection pump for supplying fuel to an internal combustion engine includes a plunger reciprocable within a bore by cams on a cam ring. Fuel is supplied to the bore by a throttle. A first valve is provided which connects a point intermediate the throttle and the bore with a drain. |
| 4375945 |
Fuel injection pumping apparatus |
March 8, 1983 |
| A fuel injection pumping apparatus comprises a rotary distributor member having a bore containing a plunger which is moved inwardly to cause delivery of fuel by the apparatus by cam lobes formed on the internal surface of a cam ring. The cam lobes are regularly spaced but in order to |
| 4362141 |
Fuel injection pumping apparatus |
December 7, 1982 |
| A fuel injection pumping apparatus includes an axially movable distributor member which carries pumping plungers movable inwardly to effect delivery of fuel by means of cam lobes formed on a cam ring. The axial position of the distributor member determines the amount of fuel supplied by |
| 4359995 |
Fuel injection pumping apparatus |
November 23, 1982 |
| A fuel injection pumping apparatus comprises an injection pump including an angularly movable cam ring connected to a piston. Resilient means bias the piston against the action of a fluid pressure which varies in accordance with speed. A cam plate engages an abutment for the resilient me |
| 4355620 |
Fuel system for an internal combustion engine |
October 26, 1982 |
| A fuel system for an internal combustion engine includes a pump/injector having an actuating winding to which power is supplied by a first electronic means. A first control signal is supplied by a second electronic means to energize the winding and a second control signal is supplied |
| 4353336 |
Fuel pumping apparatus |
October 12, 1982 |
| A fuel pumping apparatus includes a slide member which can be engaged with an arm of a throttle which controls the flow of fuel to an injection pump of the apparatus. The slide is moveable by an operator to cut off the supply of fuel to the associated engine. A tumbler lock mechanism is |
| 4326139 |
Electromagnetic devices |
April 20, 1982 |
| An electromagnetic device comprises a stator structure and an armature surrounding the stator structure. The stator structure is provided with axially spaced pole pieces which are of annular form and between which are located electrical windings connected so that adjacent pole pieces hav |
| 4320733 |
Fuel pumping apparatus |
March 23, 1982 |
| A fuel injection pumping apparatus of the rotary distributor type has an angularly adjustable cam ring to which is connected an arm. The arm is engaged by a surface on a linearly movable actuating member the position of which varies in accordance with the speed of the associated engine. |
| 4312316 |
Fuel injection pumping apparatus |
January 26, 1982 |
| A fuel pumping apparatus comprises a housing which defines a boss portion. The boss is hollow and accommodates a pump barrel which is retained in position by means of a sleeve engaging a flange on the barrel. The sleeve is trapped between the flange of the barrel and a flange on a nozzle |
| 4300873 |
Fuel injection systems |
November 17, 1981 |
| A fuel injection system includes a pumping plunger contained in a cylinder and actuated in a direction to pump fuel from the cylinder by energization of an electromagnetic device including an armature. Stop means is provided to limit the movement of the armature when the device is energi |
| 4295453 |
Fuel system for an internal combustion engine |
October 20, 1981 |
| A fuel system for supplying fuel to an engine includes a nozzle positioned to direct fuel into a combustion chamber and an electromagnetically operable pump for supplying fuel to the nozzle. A first electronic means supplies power to a winding of the pump to cause delivery of fuel and |
| 4282843 |
Liquid fuel injection pump |
August 11, 1981 |
| A fuel pumping apparatus includes an injection pump to which fuel is supplied by a low pressure supply pump. A shuttle located in a cylinder has one end connected to the injection pump and the other end to the supply pump when it is desired to feed fuel to the engine. The movement of |
| 4282843 |
Liquid fuel injection pump |
August 11, 1981 |
| A fuel pumping apparatus includes an injection pump to which fuel is supplied by a low pressure supply pump. A shuttle located in a cylinder has one end connected to the injection pump and the other end to the supply pump when it is desired to feed fuel to the engine. The movement of |
| 4272027 |
Fuel injection pumping apparatus |
June 9, 1981 |
| A fuel injection pumping apparatus includes a stepped body with a nozzle head mounted at the narrower end and an electromagnetic actuating means located in the wider end. A pumping plunger is mounted in a bore in a valve mounting having a flange located against the step defined between |
| 4242059 |
Fuel pumping apparatus |
December 30, 1980 |
| A liquid fuel pumping apparatus for supplying fuel to a compression ignition engine comprises a rotary distributor member which contains a transverse bore housing a pair of main pumping plungers. The main plungers are moved inwardly by cam lobes formed on the internal peripheral surface |
| 4238698 |
Electromagnetic devices |
December 9, 1980 |
| An electromagnetic device comprises an outer annular member and an inner member, the two members each having a helical rib on their presented surfaces. Two presented side faces of the ribs define working surfaces and on one of the working surfaces is defined a groove which extends the |
| 4228960 |
Liquid fuel injectors |
October 21, 1980 |
| A fuel injector has a chamber into which fuel leaking from within the injector can flow. A collar surrounds a body part of the injector and defines with the body a cavity into which fuel from the chamber can flow. The collar is secured to the body part by a circlip and the collar has |
| 4224903 |
Fuel systems for internal combustion engines |
September 30, 1980 |
| A fuel system for a multi-cylinder engine comprises a plurality of injection nozzles mounted on an engine to direct fuel into respective combustion spaces of the engine. Each nozzle incorporates a resiliently loaded pressure actuated valve member which controls the flow of fuel throu |
| 4214562 |
Valve control arrangements |
July 29, 1980 |
| The invention relates to a valve control arrangement for controlling the flow of exhaust gas from an exhaust manifold to an air inlet of an internal combustion engine which is supplied with fuel by a fuel pump. The quantity control member of the pump is connected through linkage to a |
| 4202303 |
Fuel systems for compression ignition engines |
May 13, 1980 |
| A compression ignition engine is provided with the usual injection pump to deliver fuel to the engine cylinders. A constant vacuum carburettor is provided in the air inlet manifold of the engine to enable an alternative fuel to be mixed with the air flowing to the engine. The carburettor |
| 4186884 |
Liquid fuel injection nozzles |
February 5, 1980 |
| A fuel injection nozzle has a valve member biased to the closed position by a spring and a piston housed in a bore connected to the inlet of the nozzle by way of a non-return valve. A space between the piston and valve member is vented to a drain. In order to minimize leakage of fuel, th |
| 4156506 |
Fuel injection nozzle units |
May 29, 1979 |
| A fuel injection nozzle unit includes a plate in which is formed an orifice through which fuel can flow to be mixed with air flowing to the engine. The plate defines a surface for engagement by a disc-like valve member formed from magnetizable material and which is urged into contact wit |
| 4140095 |
Liquid fuel pumping apparatus |
February 20, 1979 |
| A fuel pumping apparatus for supplying fuel to a compression ignition engine comprises a rotary distributor located within a housing and having a transverse bore mounting a pair of plungers which are driven inwardly as the distributor rotates, to displace fuel through an outlet. The appa |
