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"That’s an amazing invention, but who would ever want to use one of them?"
President Rutherford B. Hayes ; Said in 1876, after Alexander Graham Bell demonstrated the telephone to him at the White House
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| Number | Title | Issue Date |
| 4027641 | Control apparatus for starting internal combustion engines A fuel injection control apparatus provides electrical pulses whose length determines the amount of fuel supplied to the injection valves of the engine. These pulses can be extended by a circuit including a temperature dependent resistor when the engine h... | 06/07/1977 |
| 3976042 | Multicylinder internal combustion engine of the Diesel type A Diesel engine comprises a set of starting cylinders and a set of power cylinders; and an injection pump including two sets of plunger pistons, one said set of plunger pistons being associated with the starting cylinders for supplying fuel to the startin... | 08/24/1976 |
| 3974812 | Speed regulator for fuel injection pumps A speed regulating device for fuel injection pumps of internal combustion engines includes an intermediate lever pivotable about an axis defined by a shaft which is coupled to a fuel quantity adjustment member of the injection pump. The shaft is acted on ... | 08/17/1976 |
| 3970064 | RPM regulator for fuel injection pumps An rpm regulator of a fuel injection pump for internal combustion engine includes a single-arm drag lever and an intermediate lever which are bent to define a space into which a compression spring extends. The stroke of the compression spring is limited i... | 07/20/1976 |
| 3967598 | Combined electric fuel pump control circuit intermittent injection electronic fuel control systems A combined fuel pump control circuit, intermittent injection electronic fuel control system is disclosed herein to provide optimum fuel delivery at constant operating pressure to the fuel injector valve means of an electronically controlled fuel supply sy... | 07/06/1976 |
| 3942498 | Regulator for a fuel injection pump An improved r.p.m. regulator of a fuel injection pump for internal combustion engines includes an improved control spring mechanism. The control spring mechanism is connected to one end of a control lever which in turn is connected at its other end to a f... | 03/09/1976 |
| 3938487 | Liquid fuel pumping apparatus A fuel pumping apparatus for supplying fuel to an internal combustion engine is provided with a governor mechanism having weights which through linked means effect movement of a control rod to reduce the amount of fuel supplied to the engine. The weights ... | 02/17/1976 |
| 3935853 | Internal combustion engine cold-start fuel injector This cold-start injector for internal combustion engines is adapted to be connected to the induction manifold of the engine and comprises essentially a normally closed needle valve controlling the delivery of fuel and a solenoid for actuating said needle ... | 02/03/1976 |
| 3931808 | Altitude compensation system for a fuel management system In a fuel injection system for an internal combustion engine the opening time of the injectors is proportional to the amount of fuel supplied. In the system having an exhaust gas sensor closing the control loop, the sensor compensates for both barometric ... | 01/13/1976 |
