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Microwave Telemetry For Sensing Conditions In Enclosed Rotating And/Or Reciprocating Machinery, Richard L. Campbell, Douglas B. Brumm, Carl L. Anderson, Glen L. Barna

Michigan Tech Patents

An apparatus for measuring the pressure within the torque converter of an automatic transmission. The apparatus includes a sensor to sense the interior pressure of the torque converter and generate an electrical signal representative of that pressure. That signal is converted to microwave energy which is radiated into the interior of the torque converter housing from a microwave transmitter located within the torque converter. Receiving microwave antennae exposed to the housing interior receive the microwaves and transmit an electrical signal corresponding to the microwave energy to a remote readout external of the torque converter. The receiving antenna are preferably in …