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US 9,243,617 B2Granted
Cam engine
OwnerBoyan Bahnevinventor
Life of this patent
Estimating the term…
Abstract
The invention relates to a cam engine used in different field of the mechanical engineering, as internal-combustion engines, compressors, pumps etc. The cam engine comprises cylinders (26) with pistons (25), cylindrical tubular 3D cam (20) having a cam groove on the inner cylindrical surface and at least two asynchronously moving followers (1a and 1b) with arms (37) having main and additional rollers (3, 5).
Claims19
A cam engine, comprising:
- (a) a housing (21, 22, and 31);
- (b) at least one cylinder (26) carried in said housing;
- (c) at least two pistons (25) moving reciprocally within said cylinders (26) or at least one piston (25) moving reciprocally within said cylinder (26) and at least one balancer with mass equal to the piston (25);
- (d) a tubular 3D cam (20) having a cam groove formed along the internal surface of said tubular 3D cam, and wherein said cam groove has a periodically-changing concave cross-section so that the width of the cross-section of said cam groove decreases between each neighboring dead center (88, 89) and a bottom end of said cam groove is located distally with respect to a cylindrical axis of said tubular 3D cam (20);
- (e) at least two asynchronously moving followers (1a, 1b), positioned opposite each other, wherein each follower of said at least two followers (1a, 1b) includes at least two arms (37) and one piston (25) or one balancer is connected to one follower of said at least two followers (1a, 1b), said at least two arms (37) being positioned at an angle with respect to each other, and
- wherein each arm of said at least two arms (37) has a free end carrying at least one main roller (3) mounted on a tubular-shaped main journal (2) and wherein said main journal (2) also includes a cylindrical plunger (6) which cylindrical plunger (6) carries an additional bearing journal (4) with an additional roller (5) and the cylindrical plunger (6) together with additional bearing journal (4) and additional roller (5) moves (17) forth and back along an axis of said tubular-shaped main journal (2), so that said at least one main roller (3) and said additional roller (5) remain in contact the cam groove, wherein the cylindrical plunger (6) together with additional bearing journal (4) and additional roller (5) rotates (18) around the axis of the tubular-shaped main journal (2) so that the additional roller (5) self-adjusts in order to achieve rolling without sliding, and wherein said main journal (2) contains positioning nuts (14) for adjusting position of said additional roller (5), and limiting elements (9 or 43) to limit a movement (17) of the additional roller (5) along the axis of the tubular-shaped main journal (2).
3 more elements
A cam engine, comprising:
- (a) a housing (21, 22, and 31);
- (b) at least one cylinder (26) carried in said housing;
- (c) at least one piston (25) moving reciprocally within said cylinder (26);
- (d) a tubular 3D cam (20) having a cam groove formed along an internal surface of said tubular 3D cam, and wherein said cam groove has a periodically-changing concave cross-section so that the width of the cross-section of said cam groove decreases between each neighboring dead center (88, 89) and a bottom end of said cam groove is located distally with respect to the cylindrical axis of said tubular 3D cam (20);
- and
- (e) at least two asynchronously moving followers (1a, 1b), positioned opposite each other, wherein each follower of said at least two followers (1a, 1b) includes at least two arms (37) and one piston of said at least one piston (25) is connected to one follower of said at least two followers (1a, 1b), said at least two arms (37) being positioned at an angle with respect to each other, and
- wherein each arm of said at least two arms (37) has a free end carrying at least one main roller (3) mounted on a tubular-shaped main journal (2) and wherein said main journal (2) also includes a cylindrical plunger (6) which cylindrical plunger (6) carries an additional bearing journal (4) with an additional roller (5) and the cylindrical plunger (6) together with additional bearing journal (4) and additional roller (5) performs back and forth movement (17) along the axis of said tubular-shaped main journal (2), so that said at least one main roller (3) and said additional roller (5) remain in contact the cam groove, wherein the cylindrical plunger (6) together with additional bearing journal (4) and additional roller (5) performs rotation (18) around the axis of the tubular-shaped main journal (2) so that the additional roller (5) self-adjusts in order to achieve rolling without sliding, and wherein said main journal (2) contains positioning nuts (14) for adjusting position of said additional roller (5), and limiting elements (9 or 43) to limit movement (17) of the additional roller (5) along the axis of the tubular-shaped main journal (2).
4 more elements
A cam engine, comprising:
- (a) a housing (21, 22, and 31);
- (b) at least one cylinder (26) carried in said housing;
- (c) at least one piston (25) moving reciprocally within said cylinder (26);
- (d) at least one balancer with mass equal to the piston (25);
- (e) a tubular 3D cam (20) having a cam groove formed along an internal surface of said tubular 3D cam, and wherein said cam groove has a periodically-changing concave cross-section so that the width of the cross-section of said cam groove decreases between each neighboring dead center (88, 89) and a bottom end of said cam groove is located distally with respect to the cylindrical axis of said tubular 3D cam (20);
- (f) at least two asynchronously moving followers (1a, 1b), positioned opposite each other, wherein each follower of said at least two followers (1a, 1b) includes at least two arms (37) and one piston of said at least one piston (25) or one balancer is connected to one follower of said at least two followers (1a, 1b), said at least two arms (37) being positioned at an angle with respect to each other, and wherein each arm of said at least two arms (37) has a free end carrying at least one main roller (3) mounted on a tubular-shaped main journal (2) and wherein said main journal (2) also includes a cylindrical plunger (6) which cylindrical plunger (6) carries an additional bearing journal (4) with an additional roller (5) and the cylindrical plunger (6) together with additional bearing journal (4) and additional roller (5) performs back and forth movement (17) along the axis of said tubular-shaped main journal (2), so that said at least one main roller (3) and said additional roller (5) remain in contact with the cam groove, wherein the cylindrical plunger (6) together with additional bearing journal (4) and additional roller (5) performs rotation (18) around the axis of the tubular-shaped main journal (2) so that the additional roller (5) self-adjusts in order to achieve rolling without sliding, and wherein said main journal (2) contains positioning nuts (14) for adjusting position of said additional roller (5), and limiting elements (9 or 43) to limit movement (17) of the additional roller (5) along the axis of the tubular-shaped main journal (2).
3 more elements
Dependencies are inferred from the claim text.