SU1216424A1 - Free-piston vertical electromagnetic compressor - Google Patents

Description

This invention relates to the field of compressor engineering and concerns electromagnetic non-vertical compressors.

The aim of the invention is to increase the productivity of the compressor.

Figure 1 schematically shows the proposed free-piston vertical electromagnetic compressor, longitudinal section; figure 2 - section aa in figure 1.

A free-piston vertical electromagnetic compressor includes a housing 1, an electromagnetic actuator placed in it, made in the form of a power winding 2 and a core 3 interacting with it, a piston 6 mounted in the cylinder 4 with the formation of the working cavity 5 and a hydraulic capacity located between the core 3 and piston 6 7 In this case, the piston 6 is provided with a rod consisting of two parts 8 and 9, and the hydraulic tank 7 is designed as a bellows spacer 10 located between the parts 8 and 9 of the rod, and in the rod on either side of the spacer and 10, chambers 11 and 12 are made; flexible spacer 13 is placed in the spacer 10, which connects chambers 11 and 12 to each other “In the piston 6 and the rod, an axial channel 14 is provided with a check valve 15 located in it connecting the chambers 11 and 12 to the working cavity 5 , and in each of the chambers 11 and 12 are installed bellows 16 and 17, fitted on the side of the spacer 10 bypass valves 18 and 19. At the same time, the bark 3 is rigidly connected to the spring 20 fixed in the housing 1, and the cylinder 4 has suction and discharge valves 21 and 22, installed in the valve plate 23.

The compressor works as follows.

When connecting the power winding. 2 to the power supply, under the action of an electromagnetic pulse, the measles 3 of the compressor, together with the rod, the bellows spacer 10 and the piston 6, begin to move downwards. At the same time, the pressure in the working cavity 5 increases and the suction valve 21 closes.

With a further increase in pressure in the working cavity 5, the reverse

five

0

five

the valve 15 opens and part of the gas from the working cavity 5 of the compressor through the valve 15 and the channel 14 enters the chamber 11 of the lower part 8 of the rod. The increase in pressure in chamber 11 through flexible pipe 13 is transmitted to chamber 12 located in the upper part 9 of the rod. In addition, when the gas is compressed, the valve 22 opens and the gas flows into the receiver. When the electromagnetic pulse is removed from the power winding 2 under the action of the spring 20, the measles 3, together with the rod and piston 6, begin to move upwards. In this case, the pressure in the working cavity 5 begins to fall, the check valve 15 closes, the expansion process takes place, and then suction through the suction valve 21. As the piston 6 moves up, the load on the piston 6 and, consequently, on the rod is almost absent . At this time, by the pressure of the gas in the chamber 11, the overflow valve 18 opens and the liquid through the valve 18 flows from the sylphon 16 to the bellows spacer 10. The volume of the spacer 10 increases and it expands. In this case, the batting is lengthened. Further, when the piston 6 moves downward due to the fact that the length of the spacer 10 has increased, the magnitude of the dead space

5 decreases. When the compressor is operated, the back pressure of the gas gradually increases, which is determined by the pressure of the gas in the receiver, where the gas from the compressor is fed

0 As the back pressure increases, the pressure in chamber 11 also increases, which leads to an increase in the volume of the bellows spacer 10, and hence its length. At some

S moment of time, therefore, the piston 6 will come in contact with the valve plate 23 when it moves downwards. At this moment, the fluid pressure of the syphon spacer 10 increases sharply; that is, the relief valve 19 calculated for the operating pressure of the compressor, and part of the fluid from the bellows spacer 10 opens. enters the sylphs 17. At that

5 volume of bellows spacer 10

i MeHbmaeTCH, and the pressure in the receiver increases. Dead. the volume in this case approaches zero and pro0

compressor capacity increases. In this way, automatic tracking of dead volume is carried out.

During further operation of the coypressor, the fluid from the bellows 16 no longer enters the bellows spacer 10, since it maintains a high pressure and, therefore, the piston 6 does not strike the valve plate 23.

Thus, the proposed design of the compressor allows to increase the productivity of the compressor by reducing its dead space.

21

FIG. one

Editor L. Gratilllo

Compiled by V. Fedorov

TekredS.Migunova. Proofreader V. Sinitska

977/40 Circulation 587 Subscription

VNRSHPI State Committee of the USSR

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab., 4/5

Spalsial P1Sh Patent, Uzhgorod, ul “Project,

Claims (1)

A FREE PISTON VERTICAL ELECTROMAGNETIC COMPRESSOR, comprising a housing, an electromagnetic drive placed therein, made in the form of a power winding and an armature interacting with it, a piston installed in the cylinder with the formation of the working cavity, and a hydraulic reservoir located between the armature and the piston, characterized by that, in order to increase productivity, the piston is equipped with a rod connected to the anchor and consisting of two parts, and the hydraulic reservoir is made in the form of a bellows spacer located between parts of the stem, with chambers made in the rod on both sides of the spacer, a flexible conduit that communicates the chambers with each other, a spindle channel with an inlet valve located in it, connecting the chambers to the working cavity, and in each chamber has bellows fitted with spacer valves on the spacer side. SU,.,. 1216424