GB1123976A - - Google Patents

Abstract

1,123,976. Listing fuel injection pumps. LESLIE HARTRIDGE Ltd. Oct. 14, 1965 [Oct. 14, 1964], No.41918/64. Heading F1A. Apparatus for listing the output of fuel injection pumps includes drive means for the pump which also drives a disc 18 through a clutch and reduction gear. The disc 18 is held stationary by a solenoid actuated pawl 30, having contacts controlling a solenoid 42 controlling the position of nozzles 44, and in circuit with a switch 34 controlled by movement of a selector dial 12 spring- loaded to rotate in one direction and held against rotation by a spring-loaded core of a solenoid 16. Selection of a given number of revolutions by the dial 12 energizes the solenoids 36, 42 to release the disc 18 and bring the nozzles 44 over the measuring vessels 46. At each revolution of the disc 18 a switch 56 is closed to release the core of the solenoid 16 so that the dial moves back one step until returned to zero position after which the pawl 30 stops the disc 18 and opens contacts 40 so that the nozzles are directed to the trough 50. The Specification states that return movement of the dial 12 may be controlled by a selsyn or may slip motor in place of the step-by-step arrangement.