Microwave telemetry for sensing conditions in enclosed rotating

Details Microwave telemetry for sensing conditions in enclosed rotating Microwave telemetry for sensing conditions in enclosed rotating

1995-04-28

1996-09-10

Peng, John K.

Communications: electrical

Continuously variable indicating

Condition responsive

34087016, 3408703, 73119R, 374154, G08B 2100

Patent

active

055554571

ABSTRACT:
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 the form of resonant slots in the torque converter housing and the slots have a length related to the wavelength of the generated microwaves.

REFERENCES:
patent: 3824857 (1974-07-01), Smith
patent: 3878721 (1975-04-01), Nath
patent: 4363137 (1982-12-01), Salisbury
patent: 4468956 (1984-09-01), Merlo
patent: 4703326 (1987-10-01), Ding et al.
patent: 4787242 (1988-11-01), Shine
patent: 5106202 (1992-04-01), Anderson et al.
patent: 5151695 (1992-09-01), Rollwitz et al.
patent: 5446452 (1995-08-01), Litton

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