Abstract: A mechanical governor of the so-called "idling and maximum speed governor" type for injection pumps, comprising a governing lever to which is connected the control member for the rate of flow, or metering member, and which is pivotally mounted under the action of a force which is a function of the engine rotation speed, an idling speed spring bearing, on the one hand, on the governing lever and, on the other hand, on an idling speed abutment member, a control lever the position of which determines the engine speed at idling speed and the maximum speed and the load, or rate of flow delivered to the engine, at the intermediate speeds, and a main spring connected, through one of its ends, to the control lever, and through its other end to a rigid piece located at a certain distance of the governing lever, and in such manner as to be engaged with said lever and then to pivot when the control lever is moved from its idling speed position towards its maximum speed position, a regulator wherein the idling speed abut

Abstract: A fuel injection pump for internal combustion engine, of the type comprising a body, a rotary distributor mounted in the body, driven in timed relationship with the associated engine, at least one pumping member carried by the rotary distributor, an angularly movable ring surrounding the rotary distributor, means provided on the ring to move the pumping member thereby to effect injection of fuel as the rotary distributor rotates, a piston coupled to the ring and slidably mounted with respect to the body, which piston is subjected to a fluid pressure which varies with the speed of the engine, and a spring bearing on the body and arranged to oppose the movement of the piston under the action of said pressure, wherein there is a cup-shaped member interposed between the spring and the piston, a rod comprising a retaining surface for defining the end position of the cup, the rod being slidable with respect to the body, and an actuating member for defining the axial position of the rod.

Abstract: A fuel injection pump for internal combustion engines, comprising a rotor formed with at least one transverse cylinder-shaped bore in which are slidably mounted two pumping plungers. An inward movement is imparted to the plungers, as the rotor rotates, by cam lobes formed on the inner periphery of a fixed ring and acting on the plungers via respective rollers.The axis of the bore and the rotor's axis of rotation do not intersect each other, the distance between these two axes being such that the rollers are simultaneously engaged by two cam lobes and the distance is minimum under this condition.

Abstract: A fuel injection pump for an internal combustion engine comprises a rotor, a pair of plungers located in a transverse bore formed in the rotor and to which inward movement is imparted by roller shoes which support respective rollers engaged by a cam ring having cam lobes on its internal periphery.The roller shoes are engageable by stop members, the roller shoes and stop members having complementary surfaces with a continuous and/or discontinuous profile thereby to allow variation of the maximum fuel amount delivered to the engine. The roller shoes are axially displaceable by hydraulic driving means fed by a pressure which is made dependent on the air pressure introduced into the engine by a valve comprising a piston slidable in a cylinder and subject to the action of air pressure responsive means and a discharge port the effective section of which is adjustable by the position of the piston.