Gas compressor

FIELD: refrigeration industry; cooling installations components.

SUBSTANCE: the invention is dealt with the field of cooling installations equipment and may be used for production of air conditioning systems. The gas compressor contains a body and located in it two driving and two driven pistons. The body is made out of two hemispheres and contains two gaskets made out of an antifriction heat-insulating elastic-flexible material. Each piston is made in the form of ball-type sectors, on a spherical surface of each of which there is an elastic member. An aperture angle of lateral surfaces of the sectors of the driving pistons makes 86° - 90°, and an aperture angle of the lateral surfaces of the sectors of the driven pistons makes 42°-83°. A groove is made radial with trapezoidal cross-section and oriented perpendicularly to axes of the shaft of the compressor. The bases of the cross-section are in ratio of 1:2 - 1:5, and a lateral side is equal to the length of the smaller base. The elastic member is located on the bottom of each groove and its cross-section is an ellipse. The bigger diameter of the ellipse by 3-7 % is more than the length of the centerline of the trapezoidal cross-section of such a groove. On the elastic member there is the second elastic member of a rectangular cross section, the width of which by 2-5 % exceeds the length of the smaller base of the groove, and its length ensures formation of a ledge on the ball-type surface of the piston, the height of which makes 1-3 % of the smaller base of the groove. The invention allows to increase efficiency of the gas compressor.

EFFECT: the invention ensures increased efficiency of the gas compressor.

6 dwg

 

The invention relates to the field of engineering, namely to the field of refrigeration, and can be used for air conditioning systems, mainly for vehicles with internal combustion engine.

Known gas compressor (US 3144007 And 11.08.1964, N. CL 418-36), comprising a housing with inlet and outlet pipes in the building there are two leading and two trailing piston and the mechanism for synchronizing the movement of the pistons, made in the form of a planetary gear set with the stationary Central gear and two satellite gears, United lever fixed on one of the satellite gears coaxially and on the other with eccentricity, with each pair of pistons has its shaft kinematically associated with its satellite gear.

A disadvantage of the known compressor should recognize low efficiency.

Known rotary piston machine for refrigeration gas installation (EN 2036392 C1, 27.05.1995, F 25 1/04), comprising a housing with two inlet and two outlet spouts placed in the body by two leading and two trailing piston and the mechanism for synchronizing the movement of the pistons, made in the form of a planetary gear set with the stationary Central gear and two satellite gears connected by a lever mounted on one of the shows satellite gears coaxially, and on the other with eccentricity, each pair of pistons mounted on a separate shaft kinematically connected to one of the satellite gears, the shafts are installed on the same axis, the body is made of two hemispheres with a diametrical slot in the plane perpendicular to the axis of the shafts, and contains two strip of anti-friction insulating material installed in the median plane perpendicular to the specified plane of the connector, each piston is made in the form of spherical sectors on a common axis with the shaft installed the drive shaft of the compressor, kinematically connected with these shafts, pipes are located on the outside of the housing alternately on both sides of the border strips, and on the spherical surface of each piston is made of a sealing element, which represents an elastic element located in the groove.

A disadvantage of the known compressor should recognize low efficiency.

The technical problem to be solved by the proposed design is the development of a gas compressor with high efficiency.

The technical result obtained by the implementation of the proposed design is to reduce the cost of operation of gas compressor by increasing its coefficient of f is I.

To achieve the technical result of the proposed use of a gas compressor, comprising a housing with two inlet and two outlet spouts placed in the body by two leading and two trailing piston and the mechanism for synchronizing the movement of the pistons, made in the form of a planetary gear set with the stationary Central gear and two satellite gears connected by a lever mounted on one of the satellite gears coaxially and on the other with eccentricity, each pair of pistons mounted on a separate shaft kinematically connected to one of the satellite gears, the shafts are installed on the same axis, the body is made of two hemispheres with diametrically connector the plane perpendicular to the axis of the shafts, and contains two strip of anti-friction insulating material installed in the median plane perpendicular to the specified plane of the connector, each piston is made in the form of spherical sectors on a common axis with the shaft installed the drive shaft of the compressor, kinematically connected with these shafts, pipes are located on the outside of the housing alternately on both sides of the border strips, and on the spherical surface of each piston is made of a sealing element, which represents an elastic element located in the groove, coz the ACLs to the invention, the gaskets are made of elastic material, the angle of the side surfaces of the leading sectors of the pistons is equal 86-90°and the included angle of the side surfaces of the sectors of the slave piston is equal 42-83°, with a radial groove of trapezoidal cross-section of the spherical surface of the piston and oriented perpendicularly to the axis of the shaft of the compressor, the base sections are related as 1:2-1:5, and the lateral side is equal to the length of the smaller base, the elastic element is located at the bottom of each groove has a cross section of an ellipse, and a major diameter of the ellipse 3-7% greater than the length of the middle line of trapezoidal cross-section grooves, on the elastic element is a second elastic element of rectangular cross-section whose width by 2-5% greater than the length of the smaller base of the grooves, and the length provides education tabs on the spherical surface of the piston height 1-3% of the smaller base of the groove.

In the future presents a gas compressor will be considered with the use of illustrative material, in which figure 1 shows an external view of the gas compressor, figure 2 - external view of the gas compressor when the casing is removed synchronization mechanism, figure 3 is a longitudinal section of a gas compressor, figure 4 - cross section of a gas compressor, figure 5 - cross section a-a in figure 4, figure 6 is a view potentiators.

Gas compressor has a housing 1, in which the coaxial shafts 2 and 3 with the piston group 4, the rotary pistons 5 and 6, which are interconnected by mechanism 7 synchronization. The housing 1 is made of two hemispheres 8 and 9 with diametrically connector 10, is made perpendicular to the axis of the shafts 2 and 3. On the interior ball cavity 11 of the housing 1 on both sides of the plane 12 perpendicular to the plane of the connector 10 are compressor 13 (above plane 12) and the expansion devices 14 (below the plane of 12) zone. In the plane 12 on the wall of the housing 1 between the compressor 13 and the expansion devices 14 zones installed spacers 15 made of anti-friction insulating material. The upper part of the housing 1, which forms a compression zone 13 of the gas compressor, made with ribbed edges 16. The compressor 13 and the expansion devices 14 zones on the body 1 are input 17 and 18 and the output 10 and 20 connections connecting gas compressor heat exchangers refrigerating gas installation. In the lower part of the housing 1 mounting plate 21 for mounting a gas compressor on the vehicle.

The synchronization mechanism 7 is closed by the cover 22, is supplied superwomen device 23, the visual indicator 24 oil level and drain plug 25.

Piston group 4 gas compressor contains two of the leading 5 and two slave 6 piston, made the form of spherical sectors, fastened to the supporting shafts (master 2 and slave 3). The angle of the side surfaces of the leading sectors of the pistons 5 is 84-90°and the included angle of the side surfaces of the sectors of the slave piston 6 is equal 42-83°. Specific values of the angles depend on the desired performance of the compressor and the compression of the working fluid in the compressor. On both sides of the side surfaces 26 and 27 leading piston 5 is formed by working cavity 28 variable volume, consistently communicating with the input (17, 18) and outlet (19, 20) pipe of the compressor 13 and the expansion devices 14 zones of the housing 1. Coaxial shafts 2 and 3, a piston 4 is installed in the housing 1 by bearings 29, secured by caps 30 and 31. Isolation of the internal cavity of the gas compressor from the surrounding atmosphere carried out by means of bushings 32 and 33 with the sealing rings 34 and 35. On the right end of the drive shaft 2 has a shaft 36 of the drive of the compressor is running, if it is made in the form of a pulley, also a function of the inertial flywheel.

The left ends of coaxial shafts 2 and 3 are interconnected by a timing mechanism 7, is made in the form of a planetary gear with a Central stationary gear 37 that is installed with the cover 31, and two movable satellite gears 38 and 39 connected by lever 40. Satellite gear 38 of the male rotor to ascertain who and the lever 41, mounted on the control shaft 2. Satellite gear 39 and the driven rotor mounted on the lever 42 mounted on driven shaft 3. The levers 41 and 42 are counterweights 43 and 44 to correct dynamic unbalance of the rotor.

The lever 40 with one end fixed on the satellite gear 39 and the driven rotor, and the other end to the satellite gear 38 of the male rotor. The installation axis 45 of the lever 40 is installed coaxially with the axis 46 of the satellite gear 39 and the driven rotor, and the installation axis 47 of the lever 40 is installed eccentrically to the axis 48 of the satellite gear drive shaft 38.

On the spherical surface of each piston 5 and 6 are made of a sealing element, which represents a radial groove 49 of rectangular cross-section, at the bottom of the groove is first elastic element 50 has a cross-sectional circumference, and the first elastic element is a second elastic element 51.

Gas compressor operates as follows.

By means of the drive axis 36 of the piston 4 is put into rotation. During the rotation of the leading and trailing pistons 5 and 6, connected by mechanism 7 synchronization in a certain position of the piston 4, the cavity formed by the spherical surface of the housing 11 and two adjacent rotary pistons 5 and 6, communicates with the suction inlet 17 of the compression zone 13. Through the pipe 17 into the working Polo is to be sucked gas, which, as the rotation of the piston 4 is compressed and expelled through the outlet 19 of the compression zone 13 into the heat exchanger (not shown)that provides the heat of compression of the working gas in the compressor area 13. After cooling in the heat exchanger working gas through inlet pipe 18 between the expansion zone 14 again enters into the working cavity, in which the expansion and final cooling. The cooled gas through the outlet 20 between the expansion zone 14 extends to the object of cooling.

The use of the proposed design of the gas compressor allows approximately 12-14% to reduce the cost of its operation.

Gas compressor, comprising a housing with two inlet and two outlet spouts placed in the body by two leading and two trailing piston and the mechanism for synchronizing the movement of the pistons, made in the form of a planetary gear set with the stationary Central gear and two satellite gears connected by a lever mounted on one of the satellite gears coaxially and on the other with eccentricity, each pair of pistons mounted on a separate shaft kinematically connected to one of the satellite gears, the shafts are installed on the same axis, the body is made of two hemispheres with a diametrical slot in the plane, perpendic the polar axis shaft, and contains two strip of anti-friction insulating material installed in the median plane perpendicular to the specified plane of the connector, each piston is made in the form of spherical sectors on a common axis with the shaft installed the drive shaft of the compressor, kinematically connected with these shafts, pipes are located on the outside of the housing alternately on both sides of the border strips, and on the spherical surface of each piston is made of a sealing element, which represents an elastic element located in the groove, wherein the strip is made of elastic material, the angle of the side surfaces of the leading sectors of the pistons is equal 86-90°, and the angle of the side surfaces of the sectors of the slave piston is equal 42-83°, with a radial groove of trapezoidal cross-section of the spherical surface of the piston and oriented perpendicularly to the axis of the shaft of the compressor, the base sections are related as 1:2-1:5, and the lateral side is equal to the length of the smaller base, the elastic element is located at the bottom of each groove has a cross section of an ellipse, and a major diameter of the ellipse 3-7% greater than the length of the middle line of trapezoidal cross-section of the groove, the elastic element is a second elastic element of rectangular cross-section, the width to the th 2-5% greater than the length of the smaller the base of the groove, and the length provides education tabs on the spherical surface of the piston height 1-3% of the smaller base of the groove.



 

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Gas compressor // 2249727

FIELD: refrigeration industry; cooling installations components.

SUBSTANCE: the invention is dealt with the field of cooling installations equipment and may be used for production of air conditioning systems. The gas compressor contains a body and located in it two driving and two driven pistons. The body is made out of two hemispheres and contains two gaskets made out of an antifriction heat-insulating elastic-flexible material. Each piston is made in the form of ball-type sectors, on a spherical surface of each of which there is an elastic member. An aperture angle of lateral surfaces of the sectors of the driving pistons makes 86° - 90°, and an aperture angle of the lateral surfaces of the sectors of the driven pistons makes 42°-83°. A groove is made radial with trapezoidal cross-section and oriented perpendicularly to axes of the shaft of the compressor. The bases of the cross-section are in ratio of 1:2 - 1:5, and a lateral side is equal to the length of the smaller base. The elastic member is located on the bottom of each groove and its cross-section is an ellipse. The bigger diameter of the ellipse by 3-7 % is more than the length of the centerline of the trapezoidal cross-section of such a groove. On the elastic member there is the second elastic member of a rectangular cross section, the width of which by 2-5 % exceeds the length of the smaller base of the groove, and its length ensures formation of a ledge on the ball-type surface of the piston, the height of which makes 1-3 % of the smaller base of the groove. The invention allows to increase efficiency of the gas compressor.

EFFECT: the invention ensures increased efficiency of the gas compressor.

6 dwg

FIELD: engines and pumps.

SUBSTANCE: displacement rotary machine includes two rotors in annular chamber with inlet and outlet opening(s) and drive mechanism of rotors, which includes conical gears 27 resting on fixed conical gear wheels 25, and pendulums installed across shafts of rotors and connected to them and rigidly attached to bell cranks. Shafts of rotors are located coaxially, and conical gears 27 and bell cranks are connected by means of rigid mechanical transmissions and located in housing of mechanism 32 which is transmission shaft.

EFFECT: designing ICE with rotation speed and toxicity of waste gases as that of piston-type ICE of equal power but with smaller dimensions and weight, and which is completely balanced from inertia forces.

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Heater // 2442022

FIELD: mechanics.

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Gas compressor // 2249727

FIELD: refrigeration industry; cooling installations components.

SUBSTANCE: the invention is dealt with the field of cooling installations equipment and may be used for production of air conditioning systems. The gas compressor contains a body and located in it two driving and two driven pistons. The body is made out of two hemispheres and contains two gaskets made out of an antifriction heat-insulating elastic-flexible material. Each piston is made in the form of ball-type sectors, on a spherical surface of each of which there is an elastic member. An aperture angle of lateral surfaces of the sectors of the driving pistons makes 86° - 90°, and an aperture angle of the lateral surfaces of the sectors of the driven pistons makes 42°-83°. A groove is made radial with trapezoidal cross-section and oriented perpendicularly to axes of the shaft of the compressor. The bases of the cross-section are in ratio of 1:2 - 1:5, and a lateral side is equal to the length of the smaller base. The elastic member is located on the bottom of each groove and its cross-section is an ellipse. The bigger diameter of the ellipse by 3-7 % is more than the length of the centerline of the trapezoidal cross-section of such a groove. On the elastic member there is the second elastic member of a rectangular cross section, the width of which by 2-5 % exceeds the length of the smaller base of the groove, and its length ensures formation of a ledge on the ball-type surface of the piston, the height of which makes 1-3 % of the smaller base of the groove. The invention allows to increase efficiency of the gas compressor.

EFFECT: the invention ensures increased efficiency of the gas compressor.

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FIELD: refrigeration equipment, particularly using carbon-dioxide.

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EFFECT: increased performance.

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FIELD: refrigeration or cooling, particularly compression machines, plant or systems with non-reversible cycle.

SUBSTANCE: refrigeration plant comprises two-step compressor, condenser, receiver, regulating valve, economizer, air cooler and mixing chamber. The receiver is provided with coil and may act as liquid separator, circulation, linear and drain receivers to provide dosed coolant supply into cooling system. The first compressor stage cylinders may suck coolant from receiver and feed coolant in mixing chamber. Vapor exiting from economizer is also fed into the mixing chamber. The second stage cylinders suck vapor from mixing chamber and supply vapor to condenser. Liquid coolant from condenser passes into receiver via economizer and coil and then into air cooler through regulation valve. Vapor from air cooler enters receiver.

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