Altimeter

Details Altimeter Altimeter

1990-07-17

1991-05-21

Woodiel, Donald O.

Measuring and testing

Barometer

Aneroid

73729, G01L 714

Patent

active

050164732

ABSTRACT:
The small altimeter according to the invention comprises a frame (7-11;14,15), a display comprising drums (45,79) and a dial (23) cooperating with a hand (46) and a multiplying gear train (53 to 57) driving the display in response to the displacements obtained by the aneroid elements (1 to 4). It comprises several aneroid elements (1 to 4) which are cylindrical and coaxial and connected together and with the frame (7-11) of the altimeter. This stacking is divided in two opposed groups (1,2; 3,4). The free faces of the two groups (1,2;3,4) of aneroid elements of the stacking are cynematically connected to a same movable member (31), which meshes in diametrically opposed points with two toothed members (29,30) belonging each to one of said cynematic linkages. The movable member (31) drives the display (45, 79, 23, 46) through the multiplying gear train (53, 57). The axis of the stacking of aneroid elements (1-4) is parallel to the shaft of the hand (46) of the display.

REFERENCES:
patent: 3472084 (1969-10-01), Ellis
patent: 3621718 (1971-11-01), Ireland
patent: 3831451 (1974-08-01), Argentieri et al.

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