Method and relevant apparatus for measuring through mobile elem

Details Method and relevant apparatus for measuring through mobile elem Method and relevant apparatus for measuring through mobile elem

1974-08-28

1976-04-20

Aegerter, Richard E.

Geometrical instruments

Area integrators

Electrical

33125R, 33174L, G01B 500, G01B 502, G01B 700

Patent

active

039508560

ABSTRACT:
A method and apparatus for the precision measurement of the longitudinal development of seats of mechanical workpieces such as side seals for Wankel engines whereby an inextensible element of known length slightly smaller than the theoretical length of the seat is inserted in the seat and displaced along it and the clearance, with respect to the length of the seat, is detected as a consequence of the displacements. The apparatus includes an element adapted to be inserted in the seat, a position transducer coupled to the element and movable arms adapted to displace the element along the seat from a first position in which one of its ends is in correspondence with an end of the seat to a second position in which the other end is in correspondence with the relevant end of the seat. The position transducer detects the amplitude of the displacement.

REFERENCES:
patent: 2911728 (1959-11-01), Mundell et al.
patent: 3840994 (1974-10-01), Izumi et al.

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