Torque multiplier engines
First Claim
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1. An internal combustion engine comprising:
- a pair of opposing pistons;
a connecting rod operably coupling the opposing pistons to one another;
an inner cam drum having a first cam groove;
a first bearing coupled to the connecting rod, the first bearing positioned to engage the first cam groove, wherein the first bearing translates linear motion of the opposing pistons to rotation of the inner cam drum;
an outer cam drum having a second cam groove; and
a second bearing coupled to the connecting rod, the second bearing positioned to engage the second cam groove, wherein the second bearing translates linear motion of the opposing pistons to rotation of the outer cam drum.
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Abstract
Torque multiplier engines, and associated methods and systems, are disclosed herein. An internal combustion engine in accordance with a particular embodiment can include a connecting rod operably coupling a pair of opposing pistons. The engine can further include a first bearing coupled to the connecting rod and positioned to engage a first cam groove of an inner cam drum. A second bearing coupled to the connecting rod can be positioned to engage a second cam groove on an outer cam drum. The first and second bearings can translate linear motion of the opposing pistons to rotation of the cam drums.
418 Citations
17 Claims
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1. An internal combustion engine comprising:
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a pair of opposing pistons; a connecting rod operably coupling the opposing pistons to one another; an inner cam drum having a first cam groove; a first bearing coupled to the connecting rod, the first bearing positioned to engage the first cam groove, wherein the first bearing translates linear motion of the opposing pistons to rotation of the inner cam drum; an outer cam drum having a second cam groove; and a second bearing coupled to the connecting rod, the second bearing positioned to engage the second cam groove, wherein the second bearing translates linear motion of the opposing pistons to rotation of the outer cam drum. - View Dependent Claims (2, 3, 4, 5, 6)
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7. An internal combustion engine comprising:
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a pair of opposing pistons; a connecting rod operably coupling the opposing pistons to one another; an inner cam drum having a first cam groove; a first bearing coupled to the connecting rod, the first bearing positioned to engage the first cam groove, wherein the first bearing translates linear motion of the opposing pistons to rotation of the inner cam drum; an outer cam drum having a second cam groove; and a second bearing coupled to the connecting rod, the second bearing positioned to engage the second cam groove, wherein the second bearing translates linear motion of the opposing pistons to rotation of the outer cam drum, and wherein the rotation of the inner cam drum and the rotation of the outer cam drum are in opposite directions. - View Dependent Claims (8)
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9. An internal combustion engine comprising:
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a plurality of cylinders disposed in a radial configuration; a plurality of pistons, individual pistons disposed in corresponding cylinders; a plurality of roller bearings, individual roller bearings operably coupled to corresponding pistons; and a cam positioned to engage the roller bearings;
the cam including—a plurality of lobes, a cross-sectional shape configured to convert linear motion of the pistons to rotational motion, and a cross sectional diameter that varies along a central axis. - View Dependent Claims (10, 11, 12)
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13. An internal combustion engine comprising:
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a plurality of pistons, individual pistons including a sidewall; a plurality of roller bearings, individual roller bearings operably coupled to individual pistons; a central cam positioned to engage the roller bearings, the central cam configured to convert linear motion of the pistons to rotational motion; a plurality of valve cams, individual valve cams operably coupled to corresponding roller bearings, wherein the valve cams are configured to rotate with individual roller bearings; a plurality of piston valves, individual piston valves operably coupled to corresponding pistons; and a plurality of rollers, individual rollers operably coupled to corresponding piston valves by valve stems, the plurality of rollers configured to engage corresponding valve cams and operate the individual piston valves between a closed position and an open position. - View Dependent Claims (14, 15, 16, 17)
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Specification