Snap-in draft sensor

Details Snap-in draft sensor Snap-in draft sensor

1981-12-21

1983-12-27

Ruehl, Charles A.

Measuring and testing

Dynamometers

Responsive to force

7386257, G01L 114, G01L 513

Patent

active

044223412

ABSTRACT:
A draft sensor includes a frame with an opening between a pair of spaced-apart portions which have a variable separation depending upon the force applied to the ends of the frame. Recesses or bores in the spaced-apart portions receive projections which project from the cap and base which form opposite ends of a transducer which contains a linear variable differential transformer. The transducer is spring-loaded to facilitate assembly or replacement of the transducer in the frame.

REFERENCES:
patent: 1528627 (1925-03-01), Peters
patent: 2520923 (1950-09-01), Franzel et al.
patent: 2550588 (1951-04-01), Oberholtzer
patent: 2925573 (1960-02-01), Brown et al.
patent: 3073155 (1963-01-01), Ianuzzi
patent: 3240057 (1966-03-01), Ormond
patent: 3516498 (1970-06-01), Schowalter
patent: 3994348 (1976-11-01), Schowalter
patent: 4059159 (1977-11-01), Moorhouse et al.
patent: 4253331 (1981-03-01), Unruh
patent: 4283942 (1981-08-01), Fishfader

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