Vehicle speed indicator and controller

Claim 2

In a vehicle speed indiCator and controller for a throttle controlled vehicle, an indicating device including a tape positionable to indicate vehicle speed, power means for controlling the vehicle throttle position, and control means for the power means selectively connectable directly to the tape and operative in response to deviations of the tape position resulting from vehicle speed changes to cause the power means to alter the throttle position so as to maintain the desired vehicle speed.

Claim 3

In a vehicle speed indicator and controller for a throttle controlled vehicle, an indicating device including a tape positionable to indicate vehicle speed, power means for controlling the vehicle throttle position, control means for the power means including valve means, and a valve means controller selectively connectable directly to the tape and operative in response to deviations of the tape position resulting from vehicle speed changes to control the valve means to cause the power means to alter the throttle position so as to maintain the desired vehicle speed.

Claim 4

In a vehicle speed indicator and controller for a throttle controlled vehicle, an indicating device including a tape positionable to indicate vehicle speed, power means for controlling the vehicle throttle position, control means for the power means including valve means, and a valve means controller selectively connectable directly to the tape and operative in response to deviations of the tape position resulting from vehicle speed changes to control the valve means to cause the power means to alter the throttle position so as to maintain the desired vehicle speed.

Claim 5

In a vehicle speed indicator and controller for a throttle controlled vehicle, an indicating device including first and second pulleys, tape means having magnetic properties placed around the pulleys and positionable between the pulleys so as to indicate vehicle speed, power means for controlling the vehicle throttle position; control means for the power means including valve means, a valve means controller including an electromagnet positioned in close proximity to the tape means and rigidly secured to the valve means, and electromagnet energizing means to selectively attach the electromagnet to the tape means so as to control the valve means in response to deviations of the tape means position resulting from vehicle speed changes to cause the power means to alter the throttle position so as to maintain the desired vehicle speed.

Claim 6

In a vehicle speed indicator and controller for a throttle controlled vehicle, an indicating device including first and second pulleys, tape means having magnetic properties placed around the pulleys and positionable between the pulleys so as to indicate vehicle speed, power means for controlling the vehicle throttle position; control means for the power means including valve means, a valve means controller including an electromagnet positioned in close proximity to the tape means and rigidly secured to the valve means, and electromagnet energizing means to selectively attach the electromagnet to the tape means so as to control the valve means in response to deviations of the tape means position resulting from vehicle speed changes to cause the power means to alter the throttle position so as to maintain the desired vehicle speed.

Claim 7

In a vehicle speed indicator and controller for a throttle controlled vehicle, an indicating device including first and second pulleys, first and second takeup spools and a constant force extension spring in the form of a tape having magnetic properties positioned around the first and second pulleys and having one end attached to the first takeup spool and the other end attached to the second takeup spool; means to rotate the second takeup spool so as to linearly move the constant force extension spring between the first and second pulleys and stop this motion when the position of the constant force extension spring represents vehicle speed; power means for controlling the vehicle throttle position; control means for the power means including valve means; and a valve means controller including an electromagnet positioned in close proximity to the constant force extension spring and rigidly secured to the valve means, and electromagnet energizing means to selectively attach the electromagnet to the constant force extension spring so as to control the valve means in response to deviations of the constant force extension spring position resulting from vehicle speed changes to cause the power means to alter the throttle position so as to maintain the desired vehicle speed.

Claim 8

In a vehicle speed indicator and controller for a throttle controlled vehicle, an indicating device including first and second pulleys, first and second takeup spools and a constant force extension spring in the form of a tape having magnetic properties positioned around the first and second pulleys and having one end attached to the first takeup spool and the other end attached to the second takeup spool; means to rotate the second takeup spool so as to linearly move the constant force extension spring between the first and second pulleys and stop this motion when the position of the constant force extension spring represents vehicle speed; power means for controlling the vehicle throttle position; control means for the power means including valve means; and a valve means controller including an electromagnet positioned in close proximity to the constant force extension spring and rigidly secured to the valve means, and electromagnet energizing means to selectively attach the electromagnet to the constant force extension spring so as to control the valve means in response to deviations of the constant force extension spring position resulting from vehicle speed changes to cause the power means to alter the throttle position so as to maintain the desired vehicle speed.

Claim 9

In a vehicle speed indicator and controller for a throttle controlled vehicle, an indicating device including first and second pulleys, first and second takeup spools, and a constant force extension spring in the form of a tape positioned around the first and second pulleys and having one end attached to the first takeup spool and the other end attached to the second takeup spool; third and fourth pulleys of lesser diameter than the first and second pulleys attached to the first and second pulleys at their centers of rotation; a tape having magnetic properties and having one end attached to the third pulley and the other end attached to the fourth pulley; means to rotate the second takeup spool so as to linearly move the constant force extension spring between the first and second pulleys and the tape between the third and fourth puLleys and to stop this motion when the position of the constant force extension spring represents vehicle speed; power means for controlling the vehicle throttle position; control means for the power means including valve means; and a valve means controller including an electromagnet positioned in close proximity to the tape and rigidly secured to the valve means and electromagnet energizing means to selectively attach the electromagnet to the tape so as to control the valve means in response to deviations of the tape position resulting from vehicle speed changes to cause the power means to alter the throttle position so as to maintain the desired vehicle speed.

Claim 10

In a vehicle speed indicator and controller for a throttle controlled vehicle, an indicating device including first and second pulleys, first and second takeup spools, and a constant force extension spring in the form of a tape positioned around the first and second pulleys and having one end attached to the first takeup spool and the other end attached to the second takeup spool; third and fourth pulleys of lesser diameter than the first and second pulleys attached to the first and second pulleys at their centers of rotation; a tape having magnetic properties and having one end attached to the third pulley and the other end attached to the fourth pulley; means to rotate the second takeup spool so as to linearly move the constant force extension spring between the first and second pulleys and the tape between the third and fourth puLleys and to stop this motion when the position of the constant force extension spring represents vehicle speed; power means for controlling the vehicle throttle position; control means for the power means including valve means; and a valve means controller including an electromagnet positioned in close proximity to the tape and rigidly secured to the valve means and electromagnet energizing means to selectively attach the electromagnet to the tape so as to control the valve means in response to deviations of the tape position resulting from vehicle speed changes to cause the power means to alter the throttle position so as to maintain the desired vehicle speed.

Claim 11

In a vehicle speed indicator and controller for a throttle controlled vehicle, an indicating device including first and second pulleys, each having teeth on the outer circumference, first and second takeup spools and a constant force extension spring in the form of a tape having perforations therein to mate with the teeth on the first and second pulleys positioned around the first and second pulleys and having one end attached to the first takeup spool and the other end attached to the second takeup spool; third and fourth pulleys of lesser diameter than the first and second pulleys attached to the first and second pulleys at their centers of rotation; a tape having magnetic properties and having one end attached to the third pulley and the other end attached to the fourth pulley; a source of electric power, a drive motor having an armature winding connected across the source of electric power, speed and position differential field windings, and an output shaft connected to the second takeup spool for rotation therewith; vehicle speed responsive means including variable resistance means connected across the source of electric power and having a wiper arm positioned according to vehicle speed so as to sense vehicle speed and supply a signal corresponding to vehicle speed to the speed differential field winding so as to develop a magnetic force for causing rotation of the output shaft, the connected second takeup spool, the first, second, third and fourth pulleys, the first takeup spool and linear motion of the constant force extension spring between the first and second pulleys and the tape between the third and fourth pulleys; indicating device position responsive means including variable resistance means connected across the source of electric power and having a wiper arm connected to the second pulley so as to be positioned according to the rotation of the second pulley so as to supply a signal corresponding to the position differential field winding so as to develop a magnetic force for opposing the magnetic force developed by the speed differential field winding to stop the linear movement of the constant force extension spring between the first and second pulleys and the tape between the third and fourth pulleys when the position of the constant force extension spring between the first and second pulleys represents the vehicle speed sensed by the vehicle speed responsive means; pneumatic power means for controlling the vehicle throttle position; control means for the pneumatic power means including pneumatic valve means; and a pneumatic valve means controller including an electromagnet positioned in close proximity to the tape and rigidly secured to the pneumatic valve means and electromagnet energizing means to selectively attach the electromagnet to the tape so as to control the pneumatic valve means in response to deviations of the tape position resulting from vehicle speed changes to cause the pneumatic power means to alter the throttle position so as to maintain the desired vehicle speed.

Claim 12

In a vehicle speed indicator and controller for a throttle controlled vehicle, an indicating device including first and second pulleys, each having teeth on the outer circumference, first and second takeup spools and a constant force extension spring in the form of a tape having perforations therein to mate with the teeth on the first and second pulleys positioned around the first and second pulleys and having one end attached to the first takeup spool and the other end attached to the second takeup spool; third and fourth pulleys of lesser diameter than the first and second pulleys attached to the first and second pulleys at their centers of rotation; a tape having magnetic properties and having one end attached to the third pulley and the other end attached to the fourth pulley; a source of electric power, a drive motor having an armature winding connected across the source of electric power, speed and position differential field windings, and an output shaft connected to the second takeup spool for rotation therewith; vehicle speed responsive means including variable resistance means connected across the source of electric power and having a wiper arm positioned according to vehicle speed so as to sense vehicle speed and supply a signal corresponding to vehicle speed to the speed differential field winding so as to develop a magnetic force for causing rotation of the output shaft, the connected second takeup spool, the first, second, third and fourth pulleys, the first takeup spool and linear motion of the constant force extension spring between the first and second pulleys and the tape between the third and fourth pulleys; indicating device position responsive means including variable resistance means connected across the source of electric power and having a wiper arm connected to the second pulley so as to be positioned according to the rotation of the second pulley so as to supply a signal corresponding to the position differential field winding so as to develop a magnetic force for opposing the magnetic force developed by the speed differential field winding to stop the linear movement of the constant force extension spring between the first and second pulleys and the tape between the third and fourth pulleys when the position of the constant force extension spring between the first and second pulleys represents the vehicle speed sensed by the vehicle speed responsive means; pneumatic power means for controlling the vehicle throttle position; control means for the pneumatic power means including pneumatic valve means; and a pneumatic valve means controller including an electromagnet positioned in close proximity to the tape and rigidly secured to the pneumatic valve means and electromagnet energizing means to selectively attach the electromagnet to the tape so as to control the pneumatic valve means in response to deviations of the tape position resulting from vehicle speed changes to cause the pneumatic power means to alter the throttle position so as to maintain the desired vehicle speed.

Claim 13

The vehicle speed indicator and controller in claim 6 wherein the pneumatic valve means is moved linearly with vehicle speed changes for causing the pneumatic power means to alter the throttle position linearly with changes in vehicle speed.