JPS5990701A - Rotary apparatus used as rotary engine or compressor - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a rotating device serving as a rotating engine or compressor.

Traditional internal combustion engines are of the piston type, in which the explosive force applied to the piston head is transmitted through the piston head to the rank shaft, thereby creating rotational motion.

Such engines must have a separate cylinder for each piston in the engine block, each with its own intake and exhaust valves, and the size-to-power ratio is generally high. Furthermore, since the rotational output of the engine is converted from the reciprocating motion of the piston, a certain amount of vibration inevitably occurs even if a counterweight or the like is provided. There is also a rattling sound as the valve seats and unseats during each operation cycle.

To solve the above-mentioned problems associated with reciprocating engines, the rotor and stator work together to form a combustion engine that expands and contracts with each rotation of the rotor, thus reciprocating like the pistons of a conventional internal combustion engine. Attempts have been made to create rotary engines that eliminate the need to convert motion into rotational motion. If such an engine is realized,
Since separate cylinders and pistons and crankshafts are no longer required, the engine can be much more compact. Furthermore, since the inlet and outlet are opened and closed by the rotor itself, the conventional reciprocating poppet valve can be omitted.

It is an object of the present invention to provide a commercially viable rotary engine.

Another object of the invention is to provide a rotating engine in which the cylindrical rotor maintains a continuous sliding sealing engagement with the cylindrical inner surface of the stator housing.

Yet another object of the invention is to provide a rotary engine capable of four-cycle operation during each revolution.

Yet another object of the invention is to provide a rotary engine having a lawful number of circumferentially spaced combustion chambers.

Other objects and advantages of the invention will become more apparent from the description that follows, particularly in conjunction with the accompanying drawings.

In an embodiment of the invention, the generally cylindrical rotor comprises:
Complementary to this cylindrical shape!・Rotates within the cylindrical inner surface of the Uzing. A quadrant or cavity is formed in each quadrant of the rotor, and within each cavity a compression arm is pivoted on an axis near the circumference of the rotor, from a compression position in which the arm is placed along the circumference of the rotor. , the arm slides into an expanded position in which it lies radially inward from the rotor circumferential surface and moves along an arcuate wall of the cavity co-centered with the pivot axis of the arm. A cam follower mounted on the compression arm engages within a generally oval track in the housing, thereby causing a
Two complete oscillations or four operating cycles are performed.

Next, the explanation will be continued with reference to the drawings. The rotary engine or compressor 10 of the present invention includes an outer stator or housing 12 mounted on a suitable support 13 and having a cylindrical inner surface 14. Housing 12
A shaft 16 is rotatably mounted between both side walls 18 of the shaft 16, and a rotor 20 is supported on the shaft 16. This rotor rotates in the direction of arrow H during operation. The rotor 20 is generally cruciform and includes four spokes or arms 22 having a cylindrical inner surface 14 and a complementary cylindrical outer surface 23 .

Pivots 24 are provided around the rotor 20 at 90' intervals. A compression cavity 26 is provided adjacent each pivot 24 . The cavity has generally radial walls 28 and arcuate walls 30 formed along arcs centered around each pivot axis 24 .

A compression arm 34 is pivotally carried on a suitable pin 32 which pivots on each axis 24. This compression arm 34 has an outer working surface 36 that is a continuous surface of the circumferential surface 23 of the rotor 20 and a hollow space 26.
It has an arcuate surface 30 and a complementary arcuate sliding surface 38.

A generally elliptical cam track 40 is formed in the housing sidewall 18 and a cam follower roller 42 connects each compression arm 34.
carried by. Due to the overall elliptical shape of the trajectory 40,
During one rotation of the rotor within the 71 housing or stator 12, the cam follower 42 causes the compression arm 34 to make two complete slides or four strokes. Suitable sealing devices 44 may be provided on both sides of the compression arm and on the sliding surface 38 to prevent gas from escaping during each of its sliding movements.

Similarly, a sealing device 46 is provided on the circumferential surface of the rotor 20 in order to make each cavity 26 a mutually isolated gas chamber.

A gas inlet 48 and a gas outlet 49 are provided in the stator 12 .

In operation, the rotor 20 rotates in the R direction to move one compression plan or cavity 26 from the position indicated at 26A to 26
Moving to the position shown at B, gas inlet 48 is opened and compression arm 34 is retracted inwardly to its fully retracted position, forcing gas into chamber 26. As the chamber 26 is then moved toward position ik 26C, the inlet 48 is sealed by the seal member 46 and the arm 34 is slid outwardly to the full royal position shown at 26C, at which point The outer working surface 36 of the compression arm 34 is substantially continuous with the circumferential surface 23 of the rotor 22. Ignition takes place at this point and, in the case of a gasoline engine υ, a suitable spark plug 50 is provided. A cavity 52 may be provided in the outer surface 36 of the compression arm 34 as an ignition chamber.

Upon ignition, the compression arm 34 moves to the position shown at 26D.
2 is forced toward the short axis of the elliptical cam track 40, causing the rotor 20 to rotate, and this rotational force is transmitted to the main shaft 16, which in turn is connected to a power shaft or other suitable power take-off device (Fig. (not shown).

Finally, the arm 34 moves JY6 and returns to its original position 26A.

During this time, the arm 34 passes through the exhaust port 49, through which the combustion gases are exhausted.

When the rotating device of the present invention is used as a diesel engine, ignition is caused by compression heat, so the spark plug 5
0 is of course omitted. Also, if the rotary device were to be used as a compressor, pump 0, or Zoroa, an outlet would be provided in place of the spark plug 50 at location 26C, and a further inlet 48 would be provided at location 26D. Thus, each revolution of rotor 20 results in two suction strokes and two compression strokes.

While the invention has been described herein in conjunction with a preferred embodiment, it will be appreciated by those skilled in the art that many modifications may be made without departing from the spirit and purpose of the invention as set forth in the claims. It would be obvious to anyone.

[Brief explanation of drawings]

FIG. 1 is a partially cutaway elevational view, with side covers removed, of a rotary engine implemented in accordance with features of the present invention, and FIG. 2 is a cross-sectional view taken along line 2--2 of FIG. 10... Rotating engine, 12... Housing, 14
... Same circle FKi, 16... Rotor shaft, 20... Rotor, 22... Same spoke, 23... Same outer peripheral surface, 2
4... Compression arm axis, 26... Compression cavity, 28...
Same radial wall, 30... Same arc-shaped wall, 34... Compression arm, 36... Same working surface, 38... Same sliding surface, 40...
...Cam orbit, 42...Cam follower, 48...Gas inlet, 49...Gas discharge port, 50...Spark plug. Attorney: Akira Asamura Procedural amendment (method) December 12, 1980 1 Mr. Commissioner of the Japan Patent Office 1 Indication of case 1988 Patent F + Application No. 151469 3,
Relationship with the person making the amendment 1'1, 1'1 appearance '+' 1 person address 4, agent November 29, 1981 6, number of inventions increased by the amendment 7, subject of the amendment 1] 10 Sections U, '14', 'f (white 'i'ii 73
-9. c) 8. Contents of amendment as attached.

Claims (1)

[Scope of Claims] (1) An outer member having a cylindrical inner wall; an inner member disposed within the outer member and having a cylindrical circumferential surface complementary to the cylindrical inner wall; The member is mounted so as to rotate relative to each other, and is provided in the inner member and is open to the circumferential surface and extends radially inward from the circumferential surface along an arc centered on a first axis near the circumferential surface. a first compression chamber consisting of a cavity having an arcuate sliding surface extending in the direction; a compressed position in which the outer working edge t'f IS is located along the circumferential surface and an expanded position 1 in which the working edge is located radially inward of the circumferential surface.
? a first compression arm that is movable between the inner core and the outer core t11 material and the first compression arm that is movable between the inner core and the outer core material and the first compression arm that is movable between the compressed and expanded positions; A rotating device equipped with a cam device that allows (2. In the rotating device according to claim 1, the cam device includes a cam track provided on the external member, and a cam follower mounted on the compression arm and engaged in the cam track. a rotating device, the cam track being configured to cause two complete oscillations of the compression arm during one complete relative rotation between the inner member and the outer member; (3) The rotating device according to claim 2, wherein the outer member is constituted by a fixed housing, the inner member is constituted by a rotor, and the rotor when the compression arm is in the expanded position. a stage inlet opening into the inner wall at an intake stage of rotation of the rotor; A rotating device in which the housing is provided with an outlet opening from the inner wall. (4) In the rotating device according to claim 6, ignition is carried out in a quadrant of the inner wall through which the compression chamber passes after the suction stator. (5) The rotating device according to claim 4, wherein the housing is provided with an ignition device at the ignition stage. (6) Claim 4 In the rotating device of item 1, a 1f through hole is provided in the inner wall at a quadrant of the inner wall following the ignition stator.
Rotating device equipped with an expansion stage without any holes. (7) The rotating device according to claim 1, wherein the distal end surface of the first compression arm has an arc shape centered on the first axis. (8) The rotating bag M in the rotating device according to claim 1, wherein the side closed edge of the first compression arm is a continuation of the circular arc shape Wj of the cylindrical peripheral surface. (9) A rotating device according to claim 8, wherein the side working edge is provided with four parts forming a chamber when the side working edge is in sliding engagement with the cylindrical inner wall. . σ0) In the rotating device according to claim g, the first compression chamber is provided in the first quadrant of the rotor, and second, sixth, and third compression chambers having the same shape as the first compression chamber are provided. Four compression chambers are provided in the second, sixth and fourth quadrants of the rotor, respectively, and second, sixth and fourth arms having the same shape as the first compression arm are provided in the second, sixth and fourth quadrants of the rotor. 6, and pivoted on second, sixth, and fourth axes of a fourth quadrant, wherein a cam follower on each compression arm engages within the cam track.