Classifications

• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
  • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
  • F02B55/00—Internal-combustion aspects of rotary pistons; Outer members for co-operation with rotary pistons
  • F02B55/02—Pistons
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
  • F01C—ROTARY-PISTON OR OSCILLATING-PISTON MACHINES OR ENGINES
  • F01C19/00—Sealing arrangements in rotary-piston machines or engines
  • F01C19/08—Axially-movable sealings for working fluids
• • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
  • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
  • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
  • Y02T10/00—Road transport of goods or passengers
  • Y02T10/10—Internal combustion engine [ICE] based vehicles
  • Y02T10/12—Improving ICE efficiencies

Definitions

• the present invention fights against internal combustion engines, especially rotary engines.
• a rotary engine used in an automobile or the like includes a rotor housing, a side housing and an intermediate housing provided so as to sandwich the rotor housing from both sides, and a port rotatably housed in the rotor housing. , Side seal grooves formed on both sides of the ⁇ -side facing the side housing and the intermediate media nosing, side seals housed in the side seal grooves, and a rotor. It is equipped with an Abex seal provided on the top of the.
• the end face of the portion protruding from the side seal groove faces the side face and the side plate facing the end face. It is urged against the stored spring and slidably abuts, thereby achieving primary airtightness with respect to the engine working chamber, and the side surface on the rotor shaft side faces the side surface.
• the side walls of the side seals are slidably urged by gas pressure or the like, thereby achieving secondary airtightness with respect to the engine working chamber.
• the side seal Since the side seal has a long length and a different distance from the center of the rotor at each part, the magnitude and direction of the sliding resistance and the inertial force at each part are different. For this reason, the side seal contacts the side wall surface of the side seal groove in an unnatural posture, and furthermore, the contact friction resistance between the side seal and the side wall surface of the side seal groove is large (the friction coefficient is large). 0.1 to 0.3), when pressed against the side wall surface of the side seal groove by the gas pressure from the engine working chamber, even if it receives a lifting force by the gas pressure in the side seal groove. However, the behavior of the side seal is poor, and the area along the side housing is not sufficiently formed.
• an object of the present invention is to provide a side seal in a side seal cleaning of a side seal and a sliding of an intermediate medium nozzle.
• Surface mobility thereby eliminating the formation of gaps between the end faces of the side seals and the sliding surfaces of the side housing and the intermediate housing, deteriorating the secondary airtightness
• An object of the present invention is to provide a rotary engine that can more reliably achieve primary airtightness. Disclosure of the invention
• the object is to provide a rotor housing, a side housing and an intermediate medium that are disposed so as to sandwich the rotor housing from both sides, and a rotatable housing in the rotor housing.
• the spring includes a spring for pressing the side housing and the intermediate medium nosing, and a linear roller between the side wall surface of the side seal and the side seal and housed along the side seal. Achieved by the rotary engine.
• the object is to provide a side housing, ⁇ -one housing, a rotor rotatably housed in the rotor housing, a side seal groove facing the side housing, and a side seal groove formed in the side seal groove.
• a screen is formed on a side surface of the side seal on the rotor axis side, and a linear roller is housed in this groove.
• a rotor of the side seal is provided.
• a step is formed on the side face on the axis side, and a linear aperture is accommodated in a recess of the step.
• a thin plate with which a linear roller is in contact may be attached to the side wall surface of the side seal groove facing the portion of the side seal on the rotor axis side.
• a groove for accommodating the roller may be formed.
• the number of linear rollers may be one, but a plurality of linear rollers may be arranged in parallel, or a plurality of linear rollers may be arranged in series. In the case where a plurality of linear rollers are arranged in parallel and a plurality of linear rollers are arranged in series, if the positions of the ends of the opposed linear rollers in the two adjacent linear ⁇ -rows are different from each other, the airtightness is low. The bottom can be prevented.
• the side seal housed in the side seal cleaner is urged by the spring, and its end surface is slidably abutted on the side housing.
• the side seal consists of a linear roller and a side seal; Linear or rolling contact with the side wall surface of the wing makes it act lightly and promptly, ensuring that the side surface of the side window and the intermediate node is along the sliding surface, ensuring sufficient airtightness. Is done.
• the present invention it is possible to improve the location along the side seal and the sliding surface of the side housing and the intermediate housing, and to reliably prevent the leakage of the combustion gas and the like, thereby achieving the primary Airtightness can always be maintained, and the output can be improved by eliminating over-ripening of the engine and ignition of misses.
• FIG. 1 is a cross-sectional view of one preferred embodiment of the present invention.
• Fig. 2 is a side view of the rotor etc. shown in Fig. 1,
• FIG. 3 is a cross-sectional view taken along the line I I I-I I I shown in FIG.
• FIG. 4 is a detailed perspective view of the linear roller and the side seal shown in Fig. 2
• FIG. 5 is a cross-sectional view of another preferred embodiment of the present invention.
• FIG. 5 is a side view of the rotor etc. shown in FIG. 5,
• FIG. 7 is a cross-sectional view taken along the line V I I—V I I shown in FIG.
• FIG. 8 is a side view of a rotor of another preferred embodiment of the present invention
• FIG. 9 is a partial cross-sectional view of another preferred embodiment of the present invention
• FIG. 10 is another preferred embodiment of the present invention.
• FIG. 11 is a detailed sectional explanatory view of the linear roller and the side seal shown in FIG.
• FIG. 12 is a cross-sectional view of still another preferred embodiment of the present invention
• FIG. 13 is a detailed perspective view of a linear roller and a side seal of another preferred embodiment of the present invention. Concrete example
• a rotary engine 1 of this example is rotatably housed in a side housing 2, an intermediate housing 12, a rotor housing 3, and a rotor housing 3.
• Each of the rotor 4 and the arc-shaped side seals 6 and 6 formed on the rain sides 5 and 25 of the rotor 4 facing the side housing 2 and the intermediate housing 12.
• the side seal 7 accommodated, the spring 8 for urging the side seal 7 toward the side housing 2 and the intermediate medium 12, the side wall surface 9 of the side seal groove 6 and the side seal And at least one, in this example, three flexible linear ⁇ -layers 10 in parallel between and in parallel with the side seal 7.
• the side housing 2 and the intermediate housing 12 are arranged so as to sandwich the rotor housing 3 from both sides.
• a screen 21 is formed on the side surface of the side seal 7 of the present example on the rotor axis 0 side, and three linear rollers 10 are accommodated in each screen 21 of the side seal 7. .
• the rotor 4 is attached to the eccentric shaft 23 via a rotor bearing 22, and each part of the rotor 4 is slidably in contact with the inner surface of the rotor housing 3.
• a box seal 24 is provided.
• the side seals 6 extend to the vicinity of each apex seal 24 and are provided with three strips on the side surface 5 of the rotor 4, and the side seals 7 are accommodated in the side seals 7 (side surfaces). The same applies to the side surface 25 of the rotor 4 opposite to the surface 5).
• the linear rollers 10 accommodated in ⁇ 21 of each side seal 7 have a circular cross-sectional shape.
• three linear rollers 10 are provided as described above.
• the present invention is not limited to this. Book or two or May be as many as four or more.
• the linear roller 10 is formed of a pot wire made of spring steel, stainless steel, bearing steel, or the like, but may be formed of another material.
• the diameter of the linear roller 10 is in one example selected from 0.2 mm to 1.0 mm, preferably from 0.2 mm to 0.5 mm.
• the internal gear 31 is attached to the rotor 4, and the internal gear 31 is meshed with the fixed external gear 32, and
• the main bearing 33 is attached to the shaft 23, and the two annular grooves 34 and 35 provided on the side surfaces 5 and 25 of the rotor 4 have oil, respectively. Sealing devices 36 and 37 are installed.
• the end face 41 of the side seal 7 protruding from the side seal ⁇ 6 is accommodated in the side housing 2 and the side seal groove 6 is inserted into the side seal groove 6.
• the engine 8 is slidably contacted by being biased by the ring 8, thereby achieving primary airtightness with respect to the engine working chamber.
• the linear roller 10 of the recess 21 formed on the side surface of the side seal 7 on the side of the shaft center ⁇ is applied to the side wall surface 9 of the side seal 6 facing the side surface and to the gas pressure of the engine operating chamber. It is urged and abuts against the slide itself, thereby achieving secondary airtightness with respect to the engine working chamber.
• the side seal 7 is slightly reduced in the direction A in the side seal groove 6 for some reason. Even if it is displaced, it is easily returned to the original state by the rolling friction or low sliding friction due to the rotation of the linear roller 10 or the line contact with the side wall surface 9 of the linear roller 10, and Primary airtightness is always ensured.
• the spring 8 can bring the end face 41 of the side seal 7 into contact with the side nozzle 2 slidably and with desired airtightness with a small spring force. it can . Therefore, in the rotary engine 1, gas leakage from the engine working chamber can be reliably prevented, and as a result, engine efficiency can be increased.
• a rotary engine 51 may be formed as shown in FIGS. That is, in the rotary engine 51, the thin steel plate 52 to which the linear roller 10 comes in contact is fixed to the side wall surface 9 of the side seal ⁇ 6 facing the portion on the axis 0 side of the side seal 7 and is taken out. Be attached.
• the linear roller 10 When the linear roller 10 is brought into contact with the thin steel plate 52 in this way, the linear roller 10 does not come into direct contact with the side wall surface 9 of the side seal ⁇ 6, and the linear roller
• the thickness of the thin steel plate 52 is, for example, 0.05 mm to 0.3 mm, Preferably between 0.05 mm and 0.1 mm can be provided.
• the thin steel plate 52 is made of the same material as that of the spring steel, stainless steel, and isometric D-roller 10.
• the rotary engine is configured by using three linear rollers 10 mounted in parallel, but each linear roller 10 may be divided and arranged in parallel. That is, as shown in FIG. 8, a plurality of linear rollers 62 and 63 mounted in series with end portions facing each other at the portion 61, in this example, two in this example, as shown in FIG. Similarly, the rotary engine may be formed by arranging in the groove 21 of the three-row side seal 7. By arranging a plurality of linear rollers in series on the sides 21 of each side seal 7 in this manner, the rotation of each linear roller is facilitated, which also allows the side seal 7 to move in the direction A. Returning to the original position can be performed more favorably.
• a side seal 65 with a stepped portion 66 is formed on the side surface on the side of the axis O, and a linear roller 10 is arranged in a recess 67 of the stepped portion 66.
• a side seal 65 with a stepped portion 66 is formed on the side surface on the side of the axis O, and a linear roller 10 is arranged in a recess 67 of the stepped portion 66.
• four linear rollers 10 are accommodated between the step portion 66 and the spring 8, and four linear rollers 10 are stored by the step portion 66 and the spring 8. Is held in the A direction.
• linear rollers 10 are provided in the grooves 21 of the side seal 7.
• the rotary engine may be formed by arranging two linear rollers 10.
• a linear ⁇ -roller 10 is arranged on the screen 21 of the side seal 7 to hold the linear D-roller 10 in the ⁇ direction.
• a sheet-shaped side seal 71 having no lubrication is arranged on the side seal fin 6, and a thin steel plate fixedly attached to the side wall surface 9 of the side seal ⁇ 6.
• a groove 7 4 for accommodating the linear roller 10, so that the linear roller 10 does not move in the direction A and becomes rotatable in the thin plate 7 4 of the thin steel plate 7 3.
• the rotary engine of the present invention may be formed such that the end face 72 of the side seal 71 is brought into contact with the side housing 2 by the spring 8.
• serial linear rollers 62 and 63 arranged side by side in three rows are formed with the same length, and three portions 61 whose ends face each other are the same. In other words, they overlap each other, but as shown in Fig. 13, linear rollers 81, 82, 84, 85, 87 and 8 having different lengths are provided as shown in Fig. 13. 8 and linear rollers 8 1 and 8 2, linear rollers 84 and 85, and linear rollers 87 and 88 are arranged in series, respectively.
• the rows are juxtaposed in the groove of the side seal 7, and the positions 8 3 of the opposite ends of the linear rollers 81 and 82 and the positions 8 of the opposite ends of the linear rollers 84 and 85 are changed.
• the position of the end is not limited to the one in this example, and may be an optimum position from the viewpoint of minimizing gas leakage.

Landscapes

• Engineering & Computer Science (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Chemical & Material Sciences (AREA)
• Combustion & Propulsion (AREA)
• Sealing Devices (AREA)

Priority Applications (1)

Applications Claiming Priority (4)

Publications (1)

Family

ID=26508717

Family Applications (1)

Country Status (4)

Cited By (1)

Families Citing this family (6)

Citations (6)

Family Cites Families (5)

• 1992
  • 1992-06-29 JP JP4194759A patent/JPH0788780B2/ja not_active Expired - Lifetime
  • 1992-12-09 US US08/087,718 patent/US5397224A/en not_active Expired - Fee Related
  • 1992-12-09 EP EP92924894A patent/EP0571637A1/en not_active Ceased
  • 1992-12-09 WO PCT/JP1992/001604 patent/WO1993012330A1/ja not_active Ceased

Patent Citations (6)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events