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Remote, safe, and secure operational control of an internal combustion engine
| Details |
Inventors: Tholl, Gene; Tholl, Steven;
Assignee:
Primary Examiner: Dolinar; Andrew M.
Assistant Examiner:
Attorney, Agent or Firm: Foster; Lynn G.
An electromechanical apparatus and method for remotely controlling operation of an internal combustion engine, the apparatus using state-of-the-art transmitting and receiving circuitry for secure sending and receiving of control command signals. Further security being provided by limiting engine operation, after starting, to an idling condition. Limiting time allowed to attempt to start an engine and to start and run the engine after generation of a control command signal. Providing control capability to terminate engine operation and actuation by the apparatus by a remote command signal. |
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DETAILED DESCRIPTION OF THE ILLUSTRATED EMBODIMENT Reference is made to the drawings wherein like numerals are used to designate like parts throughout and which illustrate a presently preferred electromechanical system, comprising transmitter 100 and receiver/controller 200, for remotely controlling operation of an internal combustion engine designated as engine 204.
As illustrated in FIG.
1, an operator 102 at any remote position within range of the transmitter 100 and receiver/controller 200 can cause transmitter 100 to emit a command to initiate changing the operational state of engine 204, which is shown to be resident in related vehicle 202 in FIG.
1.
As seen in FIG.
2, the receiver/controller 200 is generally formed by receiver 210 and controller 300.
Transmitter 100 and receiver 210 are of known and state of the art design.
While the controller could accommodate command signals from transmitter/receiver combinations which have a much larger code set, those currently in use are Linear Corporations miniTransmitter, DNT00026, and associated receiver, Delta-3 DRA receiver.
These provide a user selectable set of 256 different codes.
Activation of transmitter 100 by operator 102 causes an encoded signal to be sent.
Receiver 210 receives, decodes, and verifies each acceptable signal and, when a signal which is verified to meet the standard sent by transmitter 100 is received, forwards a command signal to the controller.
As shown in FIG.
2, the command signal is processed through a series of signal conditioning circuits 310 and sent to the memory and control logic 302 to initiate a control sequence.
As will be disscussed in detail later, upon initiation of an engine 204 start sequence, the memory and control logic 302 cause timing circuits 308 to be set.
The timing circuits 308 contain electronic timing mechanisms and emit a signal for a predetermined time, once activated.
In the current preferred embodiment, two timing circuits are used, one which emits a signal for the maximum period allowed for the starter to crank without the motor reaching an idling state and one which emits a signal for the maximum period allowed for the motor to start and run under control of the controller before being turned off
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