Elliptic gear having a constant velocity portion

Details Elliptic gear having a constant velocity portion Elliptic gear having a constant velocity portion

1992-11-14

1992-12-15

Braun, Leslie A.

Machine element or mechanism

Gearing

Rotary bodies

74393, 74462, F16H 5517

Patent

active

051706776

ABSTRACT:
An elliptic gear having a constant velocity portion, wherein a pitch circle is a closed curve composed of: a constant velocity portion pitch curve, in which the radius from the center of rotation is a constant arc; and an inconstant velocity portion pitch curve, which is expressed by a formula of an ellipse in polar coordinates having its pole located at the center of rotation and which merges smoothly into the constant velocity portion pitch curve.

REFERENCES:
patent: 844210 (1907-02-01), Strickland
patent: 3125892 (1964-03-01), Schwesinger
patent: 3178959 (1965-04-01), Schwesinger
patent: 4036073 (1977-07-01), Kitano
Pesqueria, J. J., "Principles of Design for Non-Circular Gears", Part I, Product Eng., Dec. 1936 pp. 454-457.
Pesqueria, J. J., "Principles of Design for Non-Circular Gears, Part II," Product Engineering, Jan. 1937, pp. 63-65.
Pesqueria, J. J., "Principles of Design for Non-Circular Gears, Part III," Product Engineering, Feb. 1937, pp. 19-22.

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