Mass air flow sensor with stress free sensor element mounting

Details Mass air flow sensor with stress free sensor element mounting Mass air flow sensor with stress free sensor element mounting

2005-04-05

2005-04-05

Patel, Harshad (Department: 2855)

Measuring and testing

Volume or rate of flow

Thermal type

C073S204220

Reexamination Certificate

active

06874362

ABSTRACT:
An air flow sensing apparatus with a plastic housing having at least two leadframes that are embedded in the plastic housing and adapted for the attachment of a sensing element whose major axis is oriented across the leadframes in a first direction such that, during a thermal cycle, the difference in relative movement between the leadframes in the first direction is minimized while the leadframes move substantially synchronously in other two directions; the leadframes being bent in a pattern that is substantially parallel to each other, and arranged in close proximity with each other, with the dimensions spacing apart the leadframes in the pattern being minimized.

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