Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
  • F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
  • F04C18/00—Rotary-piston pumps specially adapted for elastic fluids
  • F04C18/30—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members
  • F04C18/34—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members
  • F04C18/344—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member
  • F04C18/348—Rotary-piston pumps specially adapted for elastic fluids having the characteristics covered by two or more of groups F04C18/02, F04C18/08, F04C18/22, F04C18/24, F04C18/48, or having the characteristics covered by one of these groups together with some other type of movement between co-operating members having the movement defined in group F04C18/08 or F04C18/22 and relative reciprocation between the co-operating members with vanes reciprocating with respect to the inner member the vanes positively engaging, with circumferential play, an outer rotatable member

Definitions

• the invention is rotatably fitted to the center housing
• a rotating rotor and fitted into and out of the rotor
• Rotary sleeve used in rotary compressor with vane
• the inventor of the present application first described the rotor and the center housing
• the rotating sleeve rotates with the vane
• OMPI WIPO Prevents heat generation and abrasion caused by sliding.
• the rotating sleep moves toward the discharge side to the center housing.
• the rotary sleeper is located on the inner circumference of the center housing.
• a Ryu entrance is set up at the beginning of the erosion area to increase the load.
• the received load force of the room is high at the center and small at both ends.
• Rolling sleeve may be unstable at both ends
• the problem to be solved by the invention is that air flows into the air
• the sprouting device is a technical assistant to achieve the task above.
• a guide groove in the circumferential direction is available nearby.
• the guide groove flows in
• a guide groove is also provided on the inner peripheral surface of the suction side of the center housing to allow the air flowing through the eroded area to quickly migrate to the suction side to receive air from the suction side of the receiving chamber. It is desirable to reinforce the load.
• a guide groove that extends around the entire circumference is provided on the inner peripheral surface of the center housing and / or the outer peripheral surface of the rotary sleeve to reinforce the air load receiving force of the air receiving chamber over the entire circumference. May be.
• the guide groove over the entire circumference has better workability than the partial guide groove.
• the guide groove communicates with the discharge chamber or the working chamber at the maximum pressure, which is partitioned by two vanes that fit immediately before venting into the discharge chamber, and high-pressure air flows directly into the guide groove to allow air to enter the air receiving chamber. It is desirable to further increase the receiving load.
• Fig. I is a view showing an end face of a rotary compressor having an arrangement according to an embodiment of the present invention with a rear housing removed, and Fig. 2
• FIG. 1 is a sectional view taken along the line II-II of FIG. 1
• FIG. 3 is a longitudinal sectional view of a main part showing a guide groove of another practical example
• FIG. 4 is a sectional view of an inlet of the embodiment of FIG. Fig. 5 to Fig. 7 are figures corresponding to Fig. I in different implementations
• Figs. 8 and 9 are figures in Fig. 3 of another embodiment.
• FIGS. 10 to 13 are partial exploded views showing grooves for air in different embodiments.
• FIG. 14 is a diagram corresponding to FIG. 1 of the embodiment in which high-pressure air is roughly introduced into another guide groove
• FIG. 15 is a cross-sectional view taken along the inlet of FIG.
• Figures to 18 correspond to Figure i4 of another embodiment.
• BEST MODE FOR CARRYING OUT THE INVENTION The device of the present invention will be described based on an embodiment shown in the drawings.
• the rotor 10 of the rotary compressor is fixed to the rotor # 12 and rotates in the direction of the arrow at the eccentric position of the rotary sleeve 30.
• the vane 18 is fitted in the vane groove 15 of the ⁇ -ta 10 so as to be freely inserted and removed, and the tip of the vane 18 is in contact with the inner peripheral surface of the rotary sleeve 30.
• the rotating sleep 30 is fitted to the center eight housing 22 so as to be freely spreadable, and an air receiving chamber 40 is formed between the two.
• the thickness of the air chamber 40 is exaggerated, but the actual thickness is very thin, less than 0.1 mm.
• the two vanes 18 form a working chamber 43, and the working chamber increases in pressure as it goes from the suction side to the discharge side, and the pressure is increased by the working chamber 43 through the discharge hole 42. It reaches its maximum just before communicating with.
• An air vent 44 is provided in the working chamber 43 or the discharge chamber 41 at this maximum pressure.
• Discharge of center housing 22 An inlet 71 is provided on the axial line that joins the start of the contact area where the tillage sleeve 30 on the outlet side and the peripheral surface is to be eroded, and the inflow from the oil vent 44 to the inlet 71 Road 45 is established.
• the inflow channel 45 passes through the inside of the housing, but the figure shows it to pass outside for ease of viewing.
• the inlet may be connected to the atmosphere because the rotary sleeve performs a suction action.
• a guide groove 74 is formed at both ends of the inner peripheral surface of the center housing sog 22 on the discharge side from the start end to the end end of the contact area in the circumferential direction.
• the rotation of the rotor 10 is supported by the front and rear sides, the bearings 18 and 19 of the housings 21 and 23, and the front side.
• a pulley 14 for receiving rotation of the engine is attached to one end of the pulley.
• a rear cover 24 is fixed to the rear of the rear housing 23 via a gasket, and a discharge chamber 41 and a suction chamber 51 are provided in the rear cover.
• the ⁇ end of the discharge-side inner peripheral surface of the center-housing 22 is cut out to form the inner groove 74.
• the guide groove becomes a part of the air receiving chamber 40 between the center housing 22 and the rotary sleeve 30 in the contact area.
• the guide grooves 74 are not necessarily limited to the both edges of the center housing 22, and may be provided slightly inward from the both edges as shown in FIG. Ri is placed outside.
• Guide groove 74 may be formed to the end of the contact area of
• This guide groove 74 balances the left and right sides of the rotary sleeve 30
• the compressed air is quickly applied to the air bearing chamber 40 on the suction side.
• the center of the rotary sleeve 30 and the housing 22 support the right and left sides of the faceted sleeve 30 with good balance.
• the guide groove 74 is
• guide groove 74 is used for center housing.
• a guide groove 74 may be provided at the end portion or in the vicinity thereof, and as shown in FIG. 9, both the center-housing 22 and the rotary sleeve 30 may be provided.
• the air groove 73 in FIGS. 1 and 2 has the effect of increasing the receiving load force of the air receiving chamber 40.
• a set of elongated stripes shown in the figure may be used.
• a gas-boned groove may be provided in the air.
• the inlet 71 may be provided inside the guide groove 74.
• the inlet 71 is connected to the working chamber 43 under the maximum pressure via the inflow passage 45 or
• Inflow channel 45 is c
• the guide groove is a center
• the inlet should be a rotary sleeve
• a guide groove 74 is provided at the end of the contact area of the ring 22, and the guide groove
• Inlet 71 provided near the beginning of 74 and air provided in the discharge chamber
• the mouth 44 may be connected via the inflow channel 45.
• High-pressure air flows from the inlet 71 of the guide groove 74 in the convergence area.
• the inflowing air passes through the guide groove 74 and is quickly eroded.
• rotating sleeve 30 is on the left.
• the right balance is fluidly supported, so the rotating slide
• a guide groove 74 is provided on the side, that is, on the opposite side of the contact area,
• the rotational speed of the engine suddenly changes and the rotational sleeve 30 is abnormal.
• Corrosion can be sufficiently prevented.
• the guide groove 74 may be provided at or near both ends of the rotary sleeve 30 as shown in FIG. 8, or as shown in FIG.
• the guide groove 74 may be provided in both the rotary sleeve 30 and the rotary sleeve 30.
• Kiyoshi's device is provided with inward grooves at the left and right ends of the air chamber, so that the axial load can be evenly received and the rotating sleep can be supported in a balanced manner.
• the rotary sleeve loses the balance between the left and right and erodes the inner peripheral surface of the center housing is likely. Since this is prevented beforehand, it is very unlikely that the rotating sleeve and the center housing will come into contact with each other and cause scuffing, resulting in poor rotation of the tillage sleeve.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Rotary Pumps (AREA)

Applications Claiming Priority (2)

Publications (1)

Family

ID=26428981

Family Applications (1)

Country Status (4)

Families Citing this family (3)

Citations (3)

Family Cites Families (6)

• 1984
  • 1984-05-19 GB GB08500164A patent/GB2154663B/en not_active Expired
  • 1984-05-19 WO PCT/JP1984/000254 patent/WO1984004783A1/ja active Application Filing
  • 1984-05-19 DE DE3490264A patent/DE3490264C2/de not_active Expired - Lifetime
  • 1984-05-19 US US06/691,482 patent/US4595348A/en not_active Expired - Fee Related
  • 1984-05-19 DE DE19843490264 patent/DE3490264T/de active Pending

Patent Citations (3)

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