Patient Transport Apparatus With Stuck Throttle Monitoring
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United States of America Patent
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Issued Date -
Jul 25, 2024
app pub date -
May 27, 2021
filing date -
May 27, 2021
priority date (Note) -
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status (Latency Note)
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Abstract
A patient transport apparatus is provided. The patient transport apparatus includes a support structure, a wheel, a wheel drive system, a throttle rotatable from a neutral throttle position to a plurality of throttle positions between a maximum forward throttle position and a maximum backward throttle position, a throttle sensor configured to generate a signal representing a rotational position of the throttle, and a controller. The controller is configured to operate the wheel drive system to rotate the wheel in response to rotation of the throttle, monitor for a stuck throttle condition defined by the signal generated by the throttle sensor indicating that the throttle has persisted in a throttle position other than the maximum forward throttle position, the maximum backward throttle position, and the neutral throttle position for a predetermined period, and limit operation of the wheel drive system in response to detecting the stuck throttle condition.
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