Dual channel air/fuel ratio gauge
AssigneeInnova Electronics Corporation
InventorMatthew Treadway
Life of this patent
Estimating the term…
Abstract
There is provided an air/fuel ratio gauge for monitoring an engine exhaust mixture of an engine having a plurality of oxygen sensors. The gauge of the present invention comprises a gauge housing. A gauge controller is disposed within the gauge housing and is electrically communicated with the engine. The gauge controller is operative to receive a sensor voltage output signal from each of the plurality of oxygen sensors. Furthermore, at least two gauge displays are each electrically communicated with the gauge controller and an associated oxygen sensor. Each gauge display is operative to independently display sensor information representative of the associated oxygen sensor operation.
Claims20
An air/fuel ratio device for monitoring a first air/fuel ratio of a first exhaust and a second air/fuel ratio of a second exhaust via respective first and second oxygen sensors, the device comprising:
- a gauge housing;
- and
- a gauge disposed adjacent to the gauge housing and being in electrical communication with the oxygen sensors and operative to receive sensor voltage output signals from the oxygen sensors, the gauge having first and second gauge displays juxtaposed to each other and operative to independently display the received signal of respective first and second oxygen sensors to facilitate simultaneous viewing and comparison of the first and second air/fuel ratios of the first and second exhausts.
An engine system for monitoring a first air/fuel ratio of a first exhaust and a second air/fuel ratio of a second exhaust, the system comprising:
- an engine having first and second oxygen sensors for respectively detecting the first and second air/fuel ratios;
- and
- an air/fuel ratio device, comprising:
- a gauge housing;
- and
- a gauge disposed adjacent to the gauge housing and being in electrical communication with the oxygen sensors and operative to receive sensor voltage output signals from the oxygen sensors, the gauge having first and second gauge displays juxtaposed to each other and operative to independently display the received signal of respective first and second oxygen sensors to facilitate simultaneous viewing and comparison of the first and second air/fuel ratios of the first and second exhausts.
Dependencies are inferred from the claim text.