Vibrationless machine

Claim 2

A vibrationless machine including a machine body, a base structure and at least one piston-crank-mechanism in the machine body constituted by a cylinder, a piston, reciprocable in the cylinder, a connecting rod and a crank shaft journalled in the machine body, at least one movement mechanism having one cam plate and one slide block each journalled and placed in the machine body and the base structure, respectively, driving means for driving said cam plate from the crank shaft at the same r.p.m. as said crank shaft, and elastic means supporting the machine body from the base structure, in which said elastic means are arranged between the base structure and the machine body with a pretension actuating said cam plate and slide block into abutment with each other.

Claim 3

The machine according to claim 1, characterized in that said elastic means are in the form of pads of an elastic material located in a plane which is substantially perpendicular to the crank shaft direction of the machine.

Claim 4

A vibrationless machine including, a machine body, a base structure and at least one piston-crank-mechanism defined by a cylinder, a piston, reciprocable in the cylinder, a connecting rod and a crank shaft journalled in the machine, at least one movement mechanism having one cam plate and one slide block each journalled and placed on the machine body and the base structure, respectively, driving means for driving said cam plate from the crank shaft at the same r.p.m. as said crank shaft, and elastic means supporting the machine body from the base structure, the elastic means being arranged between the base structure and the machine body with a pretension actuating said cam plate and slide block into abutment with each other, said elastic means being in the form of pads of an elastic material located in a plane which is substantially perpendicular to the crank shaft direction of the machine, and said piston-crank-mechanism having a common center of gravity passing through a plane closed path, when the machine is running, with said plane path parallel to the plane through said pads, and said cam plate being shaped in the same manner as the plane path.

Claim 5

A vibrationless machine including, a machine body, a base structure and at least one piston-crank-mechanism defined by a cylinder, a piston, reciprocable in the cylinder, a connecting rod and a crank shaft journalled in the machine, at least one movement mechanism having one cam plate and one slide block each journalled and placed on the machine body and the base structure, respectively, driving means for driving said cam plate from the crank shaft at the same r.p.m. as said crank shaft, and elastic means supporting the machine body from the base structure, the elastic means being arranged between the base structure and the machine body with a pretension actuating said cam plate and slide block into abutment with each other, said elastic means being in the form of pads of an elastic material located in a plane which is substantially perpendicular to the crank shaft direction of the machine, and said piston-crank-mechanism having a common center of gravity passing through a plane closed path, when the machine is running, with said plane path parallel to the plane through said pads, and said cam plate being shaped in the same manner as the plane path.

Claim 6

The machine according to claim 3, characterized in that said cam plate is constituted by an eccentric rotatably supported by means of a shaft in the machine, and said slide block constituted by a ring which surrounds the eccentric.

Claim 7

A vibrationless machine including, a machine body, a base structure and at least one piston-crank-mechanism defined by a cylinder, a piston, reciprocable in the cylinder, a connecting rod and a crank shaft journalled in the machine, a first movement mechanism having one cam plate and one slide block each journalled and placed on the machine body and the base structure, respectively, driving means for driving said cam plate from the crank shaft at the same r.p.m. as said crank shaft, and elastic means supporting the machine body from the base structure, the elastic means being arranged between the base structure and the machine body with a pretension actuating said cam plate and slide block into abutment with each other, said elastic means being in the form of pads of an elastic material located in a plane which is substantially perpendicular to the crank shaft direction of the machine, and said connecting rod having a moment of inertia pendulating between two outer positions when the machine is running, and a second movement mechanism, including a cam plate and slide block, each journalled and placed on the machine body and base structure, respectively, with one of said cam plates displaced angularly in relation to the other, thereby providing a pendu-lating moment to the machine body in relation to the base structure, with the pendulating movement being of the same magnitude as and directed oppositely to the tilting moment of inertia of the connecting rod.

Claim 8

A vibrationless machine including, a machine body, a base structure and at least one piston-crank-mechanism defined by a cylinder, a piston, reciprocable in the cylinder, a connecting rod and a crank shaft journalled in the machine, a first movement mechanism having one cam plate and one slide block each journalled and placed on the machine body and the base structure, respectively, driving means for driving said cam plate from the crank shaft at the same r.p.m. as said crank shaft, and elastic means supporting the machine body from the base structure, the elastic means being arranged between the base structure and the machine body with a pretension actuating said cam plate and slide block into abutment with each other, said elastic means being in the form of pads of an elastic material located in a plane which is substantially perpendicular to the crank shaft direction of the machine, and said connecting rod having a moment of inertia pendulating between two outer positions when the machine is running, and a second movement mechanism, including a cam plate and slide block, each journalled and placed on the machine body and base structure, respectively, with one of said cam plates displaced angularly in relation to the other, thereby providing a pendu-lating moment to the machine body in relation to the base structure, with the pendulating movement being of the same magnitude as and directed oppositely to the tilting moment of inertia of the connecting rod.

Claim 9

The machine according to claim 3, characterized in that two cam plates of two Different movement mechanisms are positioned axially displaced side by side on said shaft, and that two slide blocks positioned substantially perpendicularly to each other cooperate with each one of said cam plates.

Claim 10

The machine according to claim 6, characterized in that said two mechanisms cooperate in providing a motion of the machine body relatively the base structure which motion is substantially congruent with said closed path described by said common center of gravity, when the machine is running.