e03

Claims


1. Rotary piston machine, especially rotary-piston type infernal combustion engine, comprising a housing (G) including cover plates (64), one or two 
10 engine blocks (M) having arranged therein working chambers (7, 8) of a generally cylindrically defined configuration in overlapping fashion and side by side, wherein in a preferably centrally arranged working chamber (8) a rotor (4) is supported on a is shaft (54) with radially projecting blades (18), ribs, projections, or the like, which upon rotation enter into circumferential recesses (30) which are as-signed thereto and pertain to a rotary body (6) or two rotary bodies (6) supported in one or two adja-
20 cent working chambers (8) on shafts (55), and comprising one or two compressor blocks (V) which ax-iaily follow said engine block (M) and have arranged therein blade rotors (5) of a similar type including radially projecting blades (19), ribs, projections, or
25 the like, or rotary bodies (21) with circumferential recesses (30) on identical, oppositely synchronous-ly coupled, parallel shafts (54, 55) in working chambers (27, 28), said working chambers (27, 28) of said compressor blocks (V) being in flow communi-
30 cation with said working chambers (7, 8) of said engine block (M) via flow channels (20),
characterized in that the axial width of said blade rotors (5) of said compressor block (V), or of each of said compressor blocks (V) is greater than the
35 axial width of said blade rotor (5) of said engine block (M) or of each of said engine blocks (M), that said working chamber (27) of said compressor-block blade rotor (5) or of each of said compressor-block blade rotors (5) has one or two air inlets (16),
40 and that one or two working chambers (28) which are adjacent to said working chamber (27) and in which rotary bodies (21) of said compressor block (V) or of each of said compressor blocks (V) rotate with a small annular gap (39) in a direction opposite 
45 to the rotary direction (U) of said rotor (5), are each provided with a fuel injector (17).
2. The machine according to Claim 1,
characterized in that said air inlet (16) is arranged 50 in at least one göre (74) formed between adjacent working chambers (27, 28) of said compressor (V).
3. The machine according to claim 1,
characterized in that a göre (13) formed between 55 adjacent working chambers (7, 8) of said engine block (M) has arranged therein a respective ignition means (14) and a flow outlet (15) opposite to said ignition means (Figs. 1 and 13)
<Figs. 1>     <Figs.13>

4. The machine according to any of Claims 1 to 3, characterized in that the connection channels (20) in the side channel plates (62) end with openings (12) in the area of said working chambers (B) of said engine block (8) and with openings (53) in the area of said working chambers (27) of said compressor block (V).
5. The machine according to any of Claims 1 to 4, characterized in that said blades (18,19), ribs, pro-jections, or the like, when being viewed in cross-section, are smaller than the associated circumfer-ential recesses (30) and run past said recesses at least substantially without any contact during rota-tion (Figs. 8 and 9).
6. The machine according to any of Claims 1 to 5, characterized in that said blade (19) or each of said blades (19) of said compressor rotor (5) are in a leading position with respect to said blade (18) or each of said blades (18) of said engine rotor (4) in circumferential direction (U) (Figs. 2 and 1).
7. The machine according to any of Claims 1 to 6, characterized in that said engine block (M) is axi-ally seated between two compressor blocks (V) with a joint side channel plate (62) being respectively in-terposed, preferably with a respective one-part or two-part sealing disc (61) disposed thereinbe-tween.
8. The machine according to any of Claims 1 to 7, characterized in that said compressor block (V) or each of said compressor blocks (V) is axially tightly held between a bearing member (63) adjoining a cover plate (64) and said side channel plate (62) adjacent to said engine block (M) (Fig. 4).
9. The machine according to any of Claims 1 to 8, characterized in that the housing members (M, V, 62, 63, 64) are plate- or disc-shaped and are held together by means of screw connections (23) so that they rest snugly, but detachably on one anoth-er.
10. The machine according to any of Claims 1 to 9, characterized in that said channels (20) provided in said side channel member (62) or each of said side channel members (62) extend in a direction transverse to said shafts (564, 55) and have check valves (21), in particular, at the compressor side or near the inflow openings (12) towards said engine block (M).
11. The machine according to any of Claims 1 to 10, characterized in that said channels (20) are in flow communication with one another via axial channels (10) along or in said rotary-body shafts (55).

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12. The machine according to any of Claims 1 to 11, characterized in that said side and axial channels (20 and 10, respectively) jointly form a volume which at a given compression ratio (e.g. 10:1) cor-5 responds to the effective compression volume in the working chamber (7) of said rotor.

13. The machine according to any of Claims 1 to 12,

characterized in that at least said axial channels 10 (10) are in flow communication or can be brought into flow communication with a spring- or gas-load-ed boost pressure reservoir (3).

14. The machine according to any of Claims 1 to 13,
is characterized in that three cylindrically defined working chambers (7, 8, 27, 28) are respectively provided in overlapping fashion side by side in said engine block (M) or in said compressor blocks (V), with respectively one centrally arranged working
20 chamber (7, 27).
15. The machine according to Claim 14,

characterized in that in said engine block (M) or in said compressor blocks (V) two blade rotors (4, 5)
25 have respectively assigned thereto two adjacent, axially parallel rotary bodies (6, 21) in symmetrical alignment, and that said bodies define two respective combustion and compressor chambers (K1, K2;
L1, L2) which are opposite to each other and are
30 swept over by said blades (18, 19) two times each shaft rotation and are therefore used twice in symmetrical strokes.

16.
The machine according to claim 14 or 15,
35 characterized in that two pairs of fuel injectors (17) are provided each engine block (M) for suppyling fuel, with two fuel injectors (17) being opposite to each other preferably on the circumference of said compressor (V) or of each of said compressors (V)
40 (Fig. 4).

17. The machine according to any of Claims 1 to 16, characterized in that an ignition means (14) is provided in a göre (13) between working chambers (7, 45 Q) of said blade rotor (4) and a first rotary body (6), and flow inlets and outlets (16,15) are provided opposite to each other in further gores (74) near the working chamber (78) of a second rotary body (76) (Fig. 15).
50
18. The machine according to claim 7,

characterized in that, when being viewed in cross-section, said working chamber (7) of said rotor (4) is oval and said rotor (4) has arranged therein in 55 axially parallel slidable fashion a blade (75) which has assigned thereto two rotary bodies (6, 76) having circumferential recesses (30, 77) which are respectively different pairwise and which contact the

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            blade ends (56, 57) during rotation (Fig. 16).
19.
The machine according tociaim 17 or 18,
characterized in that said second rotary body (76) which is arranged at the outlet side has deeper cir-cumferential recesses (77) than said first rotary body (6).
20. The machine according to any of Claims 17 to 19, characterized in that said blade rotor (4) has as-signed thereto a cam (69) including two opposite valve bores (71) assigned thereto which are angu-larly offset, e.g., by 30° to 35° relative to the blade ends (56, 57) of said rotor (4) and which upon rotation come successively into flow communication with the inflowopening(12) of said engine block (M, 1) (Figs. 19-21).
21. The machine according to any of Claims 17 to 20, characterized in that said rotor (4) has assigned thereto at least one coaxial cam (69) with compres-sor blades (57) angulary offset relative to said rotor blades(18).
22. The machine according to Claim 21,
characterized in that said coaxial cam (69) or each of said coaxial cams (69) is arranged in said com-bustion chambers (K1, K2), especially embedded in the adjacent side plate (62).
23. The machine according to any of Claims 1 to 22, characterized in that said rotors (4, 6, 76) are formed äs roll bodies (Figs. 5 and 6).
24. The machine according to Claim 23,
characterized in that said roll bodies (4, 6, 76) are integral with said shafts (54, 55) and/or with said blades (18, 19), ribs, projections or the like.

25
. The machine according to any of Claims 1 to 24, characterized in that said blades (18, 19) or the ends (56, 57) thereof are provided towards the wall of the associated working chamber (7 and 8, re-spectively) with lip-less seals (72) or with sealing lips (73) (Figs. 26 and 27).
26. The machine according to any of Claims 1 to 25, characterized in that said rotors (4, 5), said rotary bodies (6, 21) and/or said working chambers (7, 8, 27, 28) consist of highiy refractory material, such äs ceramics, or are coated or clad therewith.
27. The mach ine according to any of Claims 1 to 26, characterized in that said shaft (54) of said blade rotor (4) which preferably consists of heat-resisting steel is elastically supported in radial direction.
28. The machine according to Claim 27,
characterized in that star-shaped supports (34) are provided on or in a resilient high-speed steel bear-ing of an adjacent cover plate (64) for radially sup-porting said rotor shaft (54), namely with radial ex-5 pansion compensating elements (36, Figs. 11 and 12).
29. The machine according to any of Claims 1 to 28,
characterized in that said shaft (54) of said blade 10 rotor (4) is gas-supported at least in said engine block (M), e.g. by means of compression gas or burnable gas supplied in a lubricant channel (29, Figs. 11 and 12) in said shaft (54).
is 30. The machine according to any of Claims 1 to 29, characterized in that flow connections do not exist between side channels (20) or are closable by means of shut-off devices.