Machine element or mechanism – Mechanical movements – Rotary to intermittent unidirectional motion
Patent
1991-07-22
1992-09-29
Herrmann, Allan D.
Machine element or mechanism
Mechanical movements
Rotary to intermittent unidirectional motion
74 61, F16H 3320
Patent
active
051506262
ABSTRACT:
A rotatably-driven asymmetrically-accelerated mass apparatus generates a substantially translational force with interaction with its external environment. The apparatus has an orbital frame mounted to a main frame and attached to a rotary drive shaft for undergoing revolution about a central axis upon operation of a drive unit. The orbital frame has at least one and preferably a plurality of support shafts defining separate orbital axes angularly spaced from one another about the central axis and located radially outwardly of and substantially parallel to the central axis. An orbital member is mounted to each support shaft for undergoing revolution with the orbital frame about the central axis. Each orbital member also is mounted to the support shaft for undergoing rotation about its orbital axis and for predisposing its center of mass in eccentric relation, and at a preset angular position relative, to the orbital axis. A mechanism is coupled to the orbital members for producing rotation of the orbital members in a first direction about their respective orbital axes at the same frequency as the orbital members undergo revolution with the orbital frame in an opposite second direction about the central axis so as to maintain the eccentric centers of mass of the orbital members at the respective preset angular positons relative to the orbital axes and thereby produce asymmetrical acceleration of the orbital members relative to the central axis to impart a substantially translational force to the main frame of the apparatus.
REFERENCES:
patent: 3913409 (1975-10-01), Opderbeck
patent: 4241615 (1980-12-01), Ryan
Isaacson James D.
Navarro Thomas L.
Flanagan John R.
Herrmann Allan D.
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