JPS6181595A - Supercharger for heat engine of automobile - 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 an auxiliary engine for two-vehicle thermal machinery, particularly for an auxiliary engine for a spark-ignition internal combustion engine or a diesel engine.

Conventional supercharging has a main body A with an action chamber, and inside the action chamber there is a generating line parallel to the axis of the main body (Ninuma). The body rotates, and the working chamber communicates with an inflow duct and an outflow duct arranged radially within the body. The object of the present invention is to solve the above-mentioned disadvantages, such as the large size, the need to process the main body ζ2 through various processing steps, and the relatively large heavy chain used as a supercharger. Considering the advantages, it is economical (2) easy to manufacture and the processing process for its manufacture is easy, and has various technical performance (2) adaptability and 1. To provide an automatic heat calculation engine auxiliary supercharger whose weight is significantly reduced.

Other objects of the invention and advantages obtained from the supercharger of the invention will become apparent from the following description.

The supercharger provided by this invention j2 has a main body having an action chamber, and at least one part parallel to the axis of the main body in the action chamber.
At least two generating bodies (= swamps and continuous sealing) rotate, the working chamber communicates with an inflow duct and an outflow duct, and these ducts are formed within the main body (= formed and aligned with the axis of the main body). In order to further understand the invention, various illustrative embodiments (one of which are shown below without limiting the invention) with reference to the drawings will be described below. From Figures 1 to 5, the turbocharger 1 is located in the working chamber 3.
Two rotary bodies 4, 4', which maintain at least a conventional two-tight seal, rotate in the working chamber 3 along a generatrix parallel to the extension axis of the main body 2. (Two arrangements are made.)

This working chamber 3 is closed at both ends by the two end cap members 5 and 6C which are connected to the main body 2 (two sealing members 5 and 6C), which are connected to the six caps 7 (2). body 2
(= hermetically connected, these stay rods 7 carry the body parallel to its axis and have a threaded end, - the end of the 10,000 is connected to the terminal fS "0% timber 6 (two formed It is screwed into the screw hole 8, and the other end protrudes outward from the opposite end cap member 5, and a corresponding fixing nut ζ2 is inserted through a washer.The main body 2 and the end cap Precise positioning between the member 5.6 and the
Figure) (: determined accordingly.

Therefore, it is preferable that the two main bodies 2 are made from an extrusion molded C2 of aluminum alloy, which has a longitudinally expanding portion along the axis of the first working chamber 3 (= swamp) and is equipped with a heavy crushing hole 13. An inflow duct [4] and an outflow duct 15 occupying steeply opposite positions and communicating with the working chamber 3 are formed in the six f1:2,
These ducts are arranged approximately parallel to the 5 wires of the main body 2 and heated over the entire length of the main body 2 8 These ducts 14
゜15 is the end cap member 6 (each passage 26, 17 with two shapes)
The two rotating bodies 4 and 4' communicate with each other within the Song cocoon shell 6 and extend in a direction (2) parallel to the axis of the supercharger 1, as shown in FIG. During rotation (2, practically (= slow-hardening wire and stones are each other!
The rotating body has a substantially chevron-shaped portion with a contour around the edges that maintains a contact-resistant state, and the rotating body has a length approximately equal to the length of the working chamber 3, and is preferably manufactured by extrusion molding of an aluminum alloy. They also have a through cavity 19 extending over the entire length in their larger part. (=Accommodated Sanmachi Uke 23 (=Therefore fixed, e.g. with adhesive, to a spindle 21, 22, preferably made of steel, supported at both ends,
The end cap 5.6 completely closes both ends of the working chamber 3, except for the duct 16.17 and the housing for the circular sealing ring 25 of these spindles 21. It has only 22 terminal passage holes, and 4
A seal 26 is then disposed between the tight ring 25 and the ball bearing 23 in contact with the end of the spindle 21.22. The two ball bearings 23 housed in the end cap member 5 are arranged on the outer surface of the end cap member 5 (an outer metal plate 28 fixed by two screws 29+2 (thus axially ri5)); The two ball bearings 23 disposed within the end mass member 6 are
A bush 31 (2) that acts on the outer front surface of the I-receiver 23, which slides in the axial direction on the seat formed in the M lid main 16 (2, so that the axial play is automatically adjusted (= arrangement) These bushings 31 each have an outer peripheral edge receiving one end of the bushings 7:132, the ground being connected to the terminal cap member 6.
The outer surface 1 of the spindle 21 abuts against the fixed spring cup 33 by means of a screw 34 (2), and the left end of the spindle 21 projects from the plate member 28 through a hole in which an annular seal 35 is arranged.

At its end, a key 36 is placed so that it can be rotated by a key 36;
In the other case, which are fixed in pairs, the four ends of the spring 21 and the spindle 22 pass through the bush 31 via an annular lip seal 39 and have a frusto-conical end portion;
Each tooth J141, 41' that meshes with the outside of the spring receiver cup 33
These teeth X41.41' are fixed axially by means of nuts 42 (2) fastened to the threaded part of the spindle 21. (Fig.
The casing 43 (the second is threaded 45) is connected with another casing 46, which has an inlet for the cooling fluid. It has a duct 47 and an outflow duct 48.

In order to improve the fluid-tight state in the working chamber 3 of the fluid transferred between the inflow duct] 4 and the outflow duct 15 (2, 2
Between the facing surfaces of the two rotating bodies 4.4', these rotating bodies 4
．． 4' and the inner surface of the working chamber 3, and between the rotating body 4.
4' and the end cap member 5.6; providing a labyrinth-type 7-rule.

Such a sealed cracked beach is
: The surface of the rotating body 4, 4' along the line 1 and line parallel to the thin line (
= A plurality of ribs formed on the same surface 50° As shown in detail view A in FIG. 3, in the direction parallel to the fine line of the main body 2
x A plurality of ribs 51 on the opposing surfaces formed on the same side of the working chamber of the body 2 and plugs 53 inserted into the cavity 19 of the rotating body 4.4'; These rotating bodies 4.4' have parallel surface ribs 54 (FIG. 10), as seen in FIG. from, spindo #2], 2
During operation of the compressor, the spindles 21.22 are gradually spaced apart as their distance from each other increases.
Due to the occurrence of a thermal expansion of the rotating bodies 4.4' which is larger than the thermal expansion of the rotating bodies 4.4', the expansion of these rotating bodies 4.4' The thermal expansion at is greatly reduced and the distance from these spindles increases at the same time (T); the thermal expansion increases progressively, so that the final The stopper 53, which is substantially parallel to the rotating body 5.6 and opposite to its front surface, is self-adapted to the dimensions due to its grinding history with the opposing surface of the end cap member 5.6. 8 Such a stopper 53 is preferably made of a plastic material such as Teflon (Teflon) and is preferably made of a material resistant to petroleum and high temperatures. 4 and 4' are
For example, Teflon 1; therefore 10 minutes'! r! It has a long plate covering of the gourd, and the tops of the ribs 5-0, 5) and 54 are 0.
It has dimensions on the order of 515 proverbs.

The rotating body 4.4' shown in Fig. 13 (24'') is a continuous
1: The shape of the outer shell is maintained by maintaining a mutually sealed connection along the discontinuous line, and this discontinuous shape is 1 height above the surroundings.
The surface is shaped by a space 56 which requires a 1st position, so in this part the two rotations will not be in contact with each other (and both rotations). Contact number between bodies = ＼For each space 56 of luck @I9? (generating line 57.
5. Figure 6 shows a unit 61 from Mio to 61, which includes two units of the same type of overloading 4-wheels as described in Figure 1, installed with a coaxial cable. n4!', this 22 tube 1 is separated by 2 intermediate plate member 62 (=therefore separated, and the terminal cover member 5.6 in FIG.
two bodies 2' bounded by two end cap members S', 6/ similar to .

The outer surface of the distal end cap member 6' has a screw 13 fitted into the cap member 6'.
The casing 14, 3 having an inner cavity 0 (2, therefore, directed towards the outer surface of the lid member 6') 44 is fixed;
Inside the crossing point 144 (= is a spindle 2 similar to meshing gears 43, 41' and mounted for rotating two pairs of rotating bodies 4°4' within the main body 2/, 7/).

221: The supported gear is accommodated. End cap member 5'
, 6'in, similar to the terminal cap member 5.6 (for the ball bearing and sealing ring 25% lip seal 26 and bushing 31 for the two spindles 21.22) are formed. The pulley 37' on the outside of the end 4a member 5' is similar to the other components at both ends of the spindle 21 and 22 (similar to FIG. A second spindle that supports two coaxially arranged first rotating bodies 4' in cooperation with other components, and controls the rotation of a second rotating body 4 that has the same arrangement on this spindle 21. 221: The tooth ring 4 meshing with the carried second gear 41' is moved (fixed). This unit is connected to the end cap members 5', 6
/ and (2,000 board members 62 are assembled in the axial direction to the number of paddy stay rods 71; therefore, the main body 2/ is configured as one /zotsutsuk, and has a threaded retainer rod 7'. The first end is screwed into the threaded hole 34 of the distal end cap member 6', and the other end with a ten-threaded thread protrudes further from the distal end cap member 5' and is fixed by a nut 9'. In the passage formed in 'j', two centering bushes 136 are arranged around this stay rod 7'. Individual centering pins 12', similar to pin 12 in FIG. 3, are also arranged. established.5th
As shown in FIG. 2, the main body 2' has a working chamber 3', in which a rotary body 4.4' is rotatably disposed, and this working chamber has an axial inflow and outflow for fluid inflow and outflow. Duct 14
' and the outflow duct 15', this body 2'ζ
: also has two other ducts 69, 70 arranged parallel to the thin line of the main body 2' for the inflow and outflow of two fluids, these ducts facing the ducts 4' and 15'. These two ducts 69 and 70 are located between m and the plate member 62 between f'2 L and ζ within the main body 2'.
: extends, and at C2, these objects 69 and 70 communicate with each action chamber 3', and inside each action chamber 3' (= means main body 2'
Another pair of rotating bodies 21, 22r, which are attached at the same = H and identical to the rotating body 4° 4' disposed within, are disposed 8 Therefore, this intermediate plate member 62 , duct 69.70 (= as well as the passage formed by
The other end cap member 5' has a sealed hole for passing the spindle 21.22.
It has only a sealed hole for passing through,
The end cap member 6' shown has holes 71, 72 for passing the spindles 21 and 22 in a fluid-tight manner.
It has passages 69', 14", 70', 1s" communicating with the respective ducts 69.14', 70.15' of the body 1. Inside the casing 143 (Figs. 5 and 6) are holes 69', ] 4", 70', 1 of the end cap member 6'.
3 paths communicating with 5" 6 g", 14/I/, 7
0″, 15″/ are formed, thus the passage s 91/
, 15″/ is the outer bushing 7 for the inlet and outlet.
6.77, while the passage 78 communicates with the duct 40''I,
Connect 7 games'.

Fig. 14 (The two embodiments shown are mainly shown in Fig. 2; the difference from the embodiment shown is that the rotating body 4.4' and
These parts in the structure of parts 5 and 6 consist of a relatively rigid support structure, preferably metal in practice, and an outer shell made of injection molded plastic material to this support structure. Figure 15 (
:Osara I:Two rotating bodies 4" with details illustrated
The support structure member 80 is made of four metal plates and has almost the same length as the rotating body 4'', and has a shape similar to the outer shape of the rotating body 4'', is made of two thin plates 81 and 82, Its end 83 is fixed to each spindle 21 or 22 in any suitable manner, for example by welding, so that the supporting forge 8o shoulders a diametrically opposed section 84, which is then expanded outwardly. Spindle 21.
22 Two fixings - These two plates 81 and 82 are V-numbered holes 8
7, these holes pass the melting electrodes for fixing the distal end 83 and the part 85 to the spindle 21.22, and also pass the material part 88 onto the support structure 80 on the rotating body 4''.
To mold the material into the desired outer shape (see Figure 35.
=For example, the shape of the rotating body 4.4' in Figure 3 (as shown in Figure 2)
= substantially with the cooperating rotating body (= joint contour shape that maintains a mutually sealed contact in a continuous line, or e.g. the rotating body 4
As shown in Figure 13 (= As shown, the discontinuous lines (2) have a bonding contour that maintains a sealed contact with each other (2).

The end cap members 5'', 6'' are provided with w, ]66 Figure 1 = right side of the ladder, for forming various holes for receiving and mating components (=, through-holes). It has a support structure member 90, which is preferably made of sheet metal with holes drilled in the shape. A rotary body having an outline shape similar to that of the four floor end cover members 5 and 6 is obtained by molding.In particular, two holes 92 are formed in the l-shaped member 90, and two holes 92 are formed inside the holes. in which a double ball bearing 23 supporting the two spindles 21, 22 is housed, and a plastic material part 91 (the second has a sealing ring 25, a lip seal 2 coaxially with these holes 92).
A housing 93 (Figs. 17, 18, and 19) is formed for the housing 93 (Figs. 17, 18, 19). This support structure member 90f: , 1, 2 pairs of holes 95 are formed into which the threaded ends of each stay G7 for assembling the supercharging ~1 axially (2) are inserted, these threaded A nut 97 (Fig. 18) is screwed into the formed space 96, and the other threaded end of the retainer 7 is attached to the end cover member. A nut 9 protruding from the 5" force 1 and threaded into the two is fixed. The central region of this support structure member 90 (= the position where the two holes 98 are diametrically opposed) is fixed. Its instep (= the threaded tail car of the other two retainers 7, J top (material part 9 of the second end cover member 6''))
The nut 99 shown in Fig. 73C is fixed, and the end of this hole 47 further protrudes like the end cover member 6'', and the nut 101 for fixing the 1: end cover member 6'' 1: casing 43 is screwed. will be combined. This casing 43 has a support structure tj; 90 (brown 16, Fig. 17) (= formed hole 1
2 screws ζ passing through 04: 2 therefore 1 fixed at the other two corners; this support structure member 90;
; is formed with four holes 106, into which are screwed the screws 34 for screwing the spring receiving cup 33 to the Song end qN material 6"1; this support structure member 90 also has four corners (24 It has several holes 109 in which a general support structure (two mounting elements (not shown) are arranged, and further holes are provided to facilitate the volatilization of the material 91). 8 Therefore (= this invention (from 2), the initial oak 1 created by the process is thick (2), and therefore, it is easy to process it, so it is only necessary to change the length of the main body 2 to r. , with other advantages such as superior performance.

These various advantages are mainly due to extrusion molding (
2, its characteristic is that the inflow duct 14 and the outflow duct 15 are arranged in a direction parallel to the trunk line of the main body 2. Therefore, this main body
It is made of aluminum or other light alloy and has an inlet and an outlet for the fluid at the end faces of the end cover member 5 or 6! −
Because of the shadow formation (the size in two directions can be relatively reduced to 7"), this main body 2 is connected to the inner surface of the working chamber 3 and the distal end member 5.6".
All you need to do is precision machining on the end surface that comes into contact with the
In order to obtain the composite two-knit unit 61 shown in Fig. 6, the costly supercharging unit 61 shown in Fig. 6 is extremely simple and easy to use. It's a monkey.

In the money unit 61, the fluid flows through the inflow port 076 (sixth
The flow follows the duct 69'' from the figure), passes through the main body 2'z of the first supercharging unit, reaches the action chamber y' in the left supercharging image, and then flows through the duct 70. The fluid flows through the duct 70' and into the duct 78f of the turbocharger on the mo side, and from there flows into the duct 78f, which flows through the duct 70' (Fig. 45). and is then led to the working chamber 3' of the main body 1 of the stone-side overcast spear, from where the outflow duct l
5' then 15'' and 15''/) flows out in a heap, and from the outflow lower 7 the device y can be named, therefore (= this invention (
By using a two-way filter impregnator, the two compression circuits are coaxially connected (two-way '-1'), and one compression circuit is connected to the other (till).
Same horizontal size as Ru 7: Without setting, the same spindle 21,
22 carries one rotating body 4.4' to function, and here, one of the two pressures 1 (: this year's part is
Inflow duct l 4' and outflow duct for the first compression mode] 5
' and the inlet duct 69 and the outlet duct 70 belonging to the second coaxial compressor are all arranged in the direction 1 parallel to the axis of the compressor.
;There are certain advantages to having them arranged in an array.

By using two compressors in this manner, the work required of a single compressor to obtain the same layer performance is reduced; 2 Therefore, the technical characteristics of the current technology should be changed.
The sealing effect of the fluid in the working chamber 3, which is achieved by circulating a liquid or a gust of refrigerant around the duct 78 conveying it to the inlet of the rotating body 3, is further improved (=,
' surface (inner surface of the formed rib 501 action chamber 3 (=
The formed ribs 51 and the ribs 54i formed on the outer surface of the plug member 53 ensure a satisfactory state of 4≠, and these ribs meet the required characteristics of the supercharger (according to the bottom part). (By using these ribs, which are formed only in two parts), there is a seal between the rotating body 4.4' that rotates once and the stationary body 2.5.6 with the above-mentioned sealing effect. wide play can be established (=), thus allowing large machining tolerances, and thus economical manufacturing. Also, in order to form a fluid seal in the working chamber (
This is effective by compensating for the axial play of the bead pattern 23 by the bush 31 on which the spring 32 acts on the spring receiving cup 33.

Figure 13
J. Extrusion processing with a pawn cavity 19, which can reduce the pre-work required for the hollow space 56, so that assembly can be performed next to n+2, or a gripping handle with a gap in the molding material 88 of the desired shape. To provide a rotating body 4.4' according to the structural member 8°ζ:
These rotating bodies are therefore relatively light and provide a low inertia rate, thus allowing high rotations with excellent performance. In addition, the end = i materials 5'', 6'' are formed with a branch structural member 90 that guarantees the required bar pouring, and a material 91 (= having a desired inner cavity) into the desired outer shape, thereby It is possible to obtain the characteristics of ease of manufacture and IJfi f along with sufficient robustness.Furthermore, this manufacturing technique is characterized by thermal expansion (2 vs. thermal expansion of the construction member 80.90
It is preferable that the rotating body be made of steel so that the thermal expansion is smaller than if it were made of the same material.

Cooling fluid, such as cooling fluid, flows from the inflow duct 47 to the outflow duct 48 of the casing 46, which is thermally sealed with respect to the casing 43. The heat generating side between the teeth ff141 and 41' can be eliminated by the circulation W of 6 Last ζ: The above-described embodiment of the delayed pay cherry of this invention does not depart from the scope of the claims of this invention (=change It is clear that modifications can be made. Among other things, the end cap members 5.6 and 5'', 6'', the various ribs 50, 51.54, and the casing 46j for the passage of the cooling fluid: the rotating body 4.
Detailed construction of buildings such as 4′ and 4″/4″ structures (
You can also omit the aforementioned handset for the second one, and you can also use a different method than the one mentioned above.゛Sara (: End; Lid member 5
．． The prongs 90 constructed in June may have a shape different from that described, inter alia, instead of or in conjunction with the mounting holes 109, in order to define the prongs CIJ. It is also possible to use well-matched holes to bend the tabs at 90 degrees, for example, at the four corners.

[Brief explanation of the drawing]

Fig. 1 is a front view of the slope of the first embodiment of the present invention, Fig. z2 is a cross-sectional view taken along the ridge line N-11C of the clam tree shown in Fig. 41, and Fig. 3 is a front view of the supercharger shown in Fig. 2. A cross-sectional view taken along line m-B c,
4th. 4' is a left and right side view of the supercharger of FIG. 1, and FIGS. 5 and 6 are lines V-■ of FIG. 8 of a compressor using a pair of superchargers according to the present invention. , \+l -Vl +1 The partial cross-sectional view overflowing, Fig. 7 is the same as Fig. 5. The right side of the supercharging unit shown in FIG. 6, FIGS. 8 and 9 are cross-sectional views of the supercharging unit in FIG. FIG. 12 shows a partial sectional view and a plan view of the inner rotating body of the supercharger shown in FIG. 13 is a sectional view of another embodiment of the rotating body in the working chamber of the supercharger of FIG. 1, and FIG. 14 is a sectional view of another embodiment of the invention. The cutting pressure surface of the example, Fig. 15 is a cross-sectional view of the rotating body of the weekly feeding machine shown in Fig. 14, and Fig. 16 is a part of the conduit 14 and one of the superchargers in the figure. The cutaway front view, flower 17, 18, and 19 are the end m fj material line XV of FIG. 16 shown in the completed state.
'A -ThL X)'ffl -X'/Ill,X
K-XKi: Shows a section view along the line. ]...Supercharging cover, compressor 2.2', 1'...main body 333'...action chamber 4.4', 4'', 4
″′...Rotating body s, s, 5/, 6/, s
'', 6''...End cover member 7.7'...Stay rod 14, 15.34', 15', 14'', 15''
, 14"/ , 15"/... Duct 16.17...
・Passage 21.22...Spindle 23...
Ball bearing 25...Sealing ring 26...Lip seal 33...Spring bearing cup 43...Casing 46...Casing 50, 51.54...
- Rib 53... Plug member 69, 70.69',
70', 69", 70"...Duct 78・
...Passage 80...Support structure member 90...
・Support structure 93...I・Using 96...
Protrusion 100...In cavity': L jir''
: '15 Fi 15 9 Procedural Amendment Form) October 1985 r Date of 1985 Patent Application No. 82121 2 Title of invention Supercharger for automobile heat engine 3 Patent applicant address Republic of Italy; 10121 Turin, Sea. S-O Galileo Ferraris. 24/Work Address Name Girardei 12 Nis, P, E. Representative Paolo Torricelli 4, Agent 4-5 Kojimachi, Chiyoda-ku, Tokyo (102) 1986
August 27, 2016 6, Subject of amendment (1) “Brief explanation of drawings” column of the specification (2) Drawing 7, V5 correct content (1) “No. 4. Figure 4' is
The description of ``Figures 4-1 and 4-2 is'' will be corrected. (2) Figure numbers rFig and 4J in the drawings are li'
Fig, 4-1j and the figure number rFig, 4' to [r
4--2" respectively. (3) Submit an engraving of the drawings (no changes in content). 8. List of attached documents

Claims (1)

[Claims] 1. Main body (2, 2') having an action chamber (3, 3', 3'')
, 2''), and the main body (2, 2', 2'') in the action chamber.
At least two rotating bodies (4, 4') are continuously sealed along at least one axis parallel to the axis of the
, 4'', 4''') rotate, and the action chambers (3, 3', 3'')
are the inflow ducts (4, 14', 69) and the outflow ducts (1
The auxiliary supercharger (1) for an automobile heat engine is connected to the ducts (14, 14', 6).
9, 15', 17) are formed in the main body (2, 2', 2'') parallel to its axis. 2. The main body (2, 2') , 2'') are manufactured by extrusion processing. 3. The main body (2, 2', 2") is the action chamber (3, 3', 3")
) forming two end cap members (5, 6, 5', 6',
62, 5″, 6″) and one of the two end cap members (
6, 6', 6'') into the inlet duct (14, 14', 69
) and the outflow ducts (15, 15', 70) through substantially axial communication holes (16, 17, 14'', 15'', 69).
A supercharger for an automobile heat engine according to claim 1 or 2, characterized in that a supercharger for an automobile heat engine is formed. 4, arranged parallel to the axis of the main body (2, 2′, 2″),
and having a plurality of connecting elements (7, 7') sealingly attaching the end cap member (5, 6, 5', 6', 5'', 6'') to the main body (2, 2', 2''). A supercharger for an automobile heat engine according to claim 3, characterized in that: ″, 4′″) and the main body (2, 2′, 2″
) or two rotating bodies (4, 4', 4'', 4''')
and a fluid sealing member (50, 51, 54) for sealing between the end cap member (5, 6, 5', 6', 5'', 6'')
A supercharger for an automobile heat engine according to any one of the above claims, characterized in that it has the following. 6. At least one of the faces of the fluid sealing members facing each other in pairs
6. A supercharger for an automobile heat engine according to claim 5, which has a plurality of ribs (50, 51, 54) on one surface to form a labyrinth type seal. 7. The supercharger for an automobile heat engine according to claim 6, wherein the ribs (50, 51, 54) are made of an abrasive material. 8. The two rotating bodies (4, 4', 4'') have a joined contour shape that keeps them in sealed contact with each other along a substantially continuous line. 9. A supercharger for an automobile heat engine according to any one of paragraphs 9 and 9, wherein the two rotating bodies (4, 4', 4'') have a joined outer shape that maintains a state of sealed contact with each other along a discontinuous line. A supercharger for an automobile heat engine according to any one of claims 1 to 7, characterized in that: 10. A supercharger for an automobile heat engine according to any one of the above claims, characterized in that the two rotating bodies (4, 4', 4'') are manufactured by extrusion molding. 11. Two rotating bodies (4, 4', 4'') are connected to each axis (2
1, 22) and has a longitudinal hollow part (19) in which each end plug member (53) is arranged, in which the plug member (53) and the rotating body are disposed. (4, 4', 4") as the distance from the axial axis (21, 22) increases (5, 6, 5', 6')
. . 12, Main body (2, 2', 2'') or 2 rotating bodies (4, 4
13. A supercharger for an automobile heat engine according to any one of the above claims, characterized in that the rotating body (4'') is made of aluminum. The axial axis (21
, 22), a relatively rigid support structure member (
80) and an outline-shaped portion obtained by molding on the supporting structural member (80), according to any one of claims 1 to 9. supercharger for automobile heat engines. 14. Each end cap member (5'', 6'') has a relatively rigid support structure (90) and a contoured portion obtained by injection molding on the support structure (90). A supercharger for an automobile heat engine according to any one of claims 3 or 4 to 13, characterized in that: 15. The support structure member (90) has holes (92, 95, 98, 104, 1
15. The supercharger for an automobile heat engine according to claim 14, further comprising seats (93, 96, 100). 16. Rotator (4″) or end cap member (5″, 6″)
Motor vehicle heat engine according to any one of claims 13 to 15, characterized in that the engine is made of plastic material by injection molding on a metal support structure (80, 90). Supercharger. 17. Two rotary bodies (4, 4'') whose rotational motion supports the other rotary body (4, 4'', 4'') in a rotating state by meshing connection members (41, 41') , 4'''), and the meshing connecting members (41, 41')
) is arranged on the outside of the body (2, 2', 2'') in a cavity (43) filled with lubricating grease and is in thermal contact with the cavity (43), but from the cavity A supercharger for an automobile heat engine according to any one of the above claims, characterized in that the space is separated and has a second cavity (46) through which a cooling fluid flows. 18. The second cavity is the inflow duct (47) and the outflow duct (
17. The cooling system according to claim 17, characterized in that it is formed by a casing (46) having a casing (48) and is adapted to allow liquid from the cooling circuit of the engine to flow after the casing (46). Supercharger for automobile heat engine.