Electrofluidic pin transducer with stable null setting

Details Electrofluidic pin transducer with stable null setting Electrofluidic pin transducer with stable null setting

1989-12-08

1990-05-15

Chambers, A. Michael

Fluid handling

Flow affected by fluid contact, energy field or coanda effect

Means to regulate or vary operation of device

137805, 137833, 244 322, F15C 400

Patent

active

049249126

ABSTRACT:
The invention provides an electrofluidic pin transducer (64) which maintains a stable null setting for a control pin (46). In the control mode of operation, the pin (46) is rotatable in a conventional manner about a first axis which is perpendicular to the longitudinal axis (140) of the pin. In the null setting mode, a cam arrangement (120,122,128) is employed to effect rotational movement of the pin (46) about a second axis (136) which is perpendicular to the first axis and parallel to the longitudinal axis (140) of the pin. This arrangement effectively makes control independent on null setting.

REFERENCES:
patent: 3246863 (1966-04-01), Posingies
patent: 3610267 (1971-10-01), Warren
patent: 3906979 (1975-09-01), Chapin
patent: 3934603 (1976-01-01), Avery
patent: 3965918 (1976-06-01), Finkbeiner
patent: 3986856 (1976-10-01), Fournier et al.
patent: 4202517 (1980-05-01), Young et al.
patent: 4747568 (1988-05-01), Carrigan

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