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CA1098341A Expired / Lapsed CA ⏱️ 0.0 years remaining

Epicyclic cog belt speed reducer

Assignee: Individual
•
Filing: 1979-02-19
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Granted: 1981-03-31
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Expires: 1999-02-19
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Abstract

Abstract Applicant: Frank L. Stromotich Title: An Improved Epicyclic Cog Belt Speed Reducer ABSTRACT OF THE DISCLOSURE In a speed reducer, a reaction sun is fixed to a frame and an output sun is coaxial with the reaction sun. An idler carrier assembly, rotatable about the common axis of the two suns, carries a planet shaft supporting a reaction planet and an output planet for conjoint rotation and in radial alignment, respectively, with the reaction sun and the output sun. Rotation of the idler carrier assembly effects orbiting of the planet shaft and its planet about the common axis of the suns. Endless loop force-transmitting elements connect corresponding suns and planets. Rotary input power is applied to the planet shaft effecting conjoint rotation of the planets and orbiting of the planets about the suns' axis. The epicyclic motion of the output planet effects rotation of the output sun. In a preferred embodiment, an electric motor drives the planets shaft directly and is mounted on the idler carrier assembly for orbiting with the planet shaft.

Inventors

  • 👤 Frank L. Stromotich

Bibliographic Details

Application Number —
Jurisdiction CA
Data Source google_patents
Last Synchronized 2026-11-08 09:45
CPC Classifications
F; F16; F16H; F16H9/00; F16H9/26; Y; Y10; Y10S; Y10S475/00; Y10S475/904

Claims Analysis

Total Claims: 6
Claim 1
Independent Claim 258 words
A compound epicyclic speed reducer comprising: a frame; a reaction sun; means for maintaining said reaction sun stationary relative to said frame; an output sun coaxial with said reaction sun, the common axis of said two suns defining a primary axis; at least two planets, one for each of said suns, including a reaction planet and an output planet; planet shaft means for carrying said planets for conjoint rotation; an idler carrier assembly rotatably supporting said planet shaft means spaced from and extending substan-tially parallel to said primary axis, the axis of said planet shaft means supported by said idler carrier assembly defining a secondary axis, said idler carrier assembly being rotatable about said primary axis for effecting orbiting of said planet shaft means about said primary axis; at least two endless loop force-transmitting elements connecting, respectively, said reaction sun and said reaction planet, and said output sun and said output planet; and an electric motor mounted for orbiting about said primary axis with said planet shaft means and having a rotary output member connected to said planet shaft means for driving said planet shaft means and thereby effecting conjoint rotation of said two planets about said secondary axis, rotation of said reaction planet effecting rotation of said idler carrier assembly about said primary axis for ? orbiting of said planet shaft means and said planets about said primary axis, and rotation of said output planet about said secondary axis in combination with orbiting of said output planet about said primary axis effecting rotation of said output sun.
Claim 2
Dependent Claim 258 words
A compound epicyclic speed reducer comprising: a frame; a reaction sun; means for maintaining said reaction sun stationary relative to said frame; an output sun coaxial with said reaction sun, the common axis of said two suns defining a primary axis; at least two planets, one for each of said suns, including a reaction planet and an output planet; planet shaft means for carrying said planets for conjoint rotation; an idler carrier assembly rotatably supporting said planet shaft means spaced from and extending substan-tially parallel to said primary axis, the axis of said planet shaft means supported by said idler carrier assembly defining a secondary axis, said idler carrier assembly being rotatable about said primary axis for effecting orbiting of said planet shaft means about said primary axis; at least two endless loop force-transmitting elements connecting, respectively, said reaction sun and said reaction planet, and said output sun and said output planet; and an electric motor mounted for orbiting about said primary axis with said planet shaft means and having a rotary output member connected to said planet shaft means for driving said planet shaft means and thereby effecting conjoint rotation of said two planets about said secondary axis, rotation of said reaction planet effecting rotation of said idler carrier assembly about said primary axis for ? orbiting of said planet shaft means and said planets about said primary axis, and rotation of said output planet about said secondary axis in combination with orbiting of said output planet about said primary axis effecting rotation of said output sun.
Claim 3
Dependent Claim 20 words
A speed reducer as defined in claim 1, in which the electric motor is mounted on the idler carrier assembly.
Claim 4
Dependent Claim 27 words
A speed reducer as defined in claim 1 or 2, in which the rotary output member of the electric motor is coaxial with the planet shaft means.
Claim 5
Dependent Claim 25 words
A speed reducer as defined in claim 1 or 2, including slip ring means mounted on the frame for supplying power to the electric motor.
Claim 6
Dependent Claim 29 words
A speed reducer as defined in claim 1 or 2, including a hollow output sleeve carrying the output sun and having an axial bore coaxial with the primary axis.

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