CA1109802A - Rotary internal combustion engine exhaust system - Google Patents
Rotary internal combustion engine exhaust systemInfo
- Publication number
- CA1109802A CA1109802A CA213,646A CA213646A CA1109802A CA 1109802 A CA1109802 A CA 1109802A CA 213646 A CA213646 A CA 213646A CA 1109802 A CA1109802 A CA 1109802A
- Authority
- CA
- Canada
- Prior art keywords
- rotor
- defining
- housing
- exhaust
- sides
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
- 238000002485 combustion reaction Methods 0.000 title claims abstract description 19
- 238000001816 cooling Methods 0.000 description 5
- 238000010276 construction Methods 0.000 description 4
- 238000005266 casting Methods 0.000 description 2
- 235000018734 Sambucus australis Nutrition 0.000 description 1
- 244000180577 Sambucus australis Species 0.000 description 1
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
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
- F02B53/04—Charge admission or combustion-gas discharge
-
- 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
- F01C11/00—Combinations of two or more machines or engines, each being of rotary-piston or oscillating-piston type
-
- 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
- F02B55/16—Admission or exhaust passages in pistons or outer members
-
- 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
- F02B61/00—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing
- F02B61/04—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers
- F02B61/045—Adaptations of engines for driving vehicles or for driving propellers; Combinations of engines with gearing for driving propellers for marine engines
-
- 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
- F02B53/00—Internal-combustion aspects of rotary-piston or oscillating-piston engines
- F02B2053/005—Wankel engines
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
ABSTRACT OF DISCLOSURE
Disclosed herein is a rotary internal com-bustion engine comprising a housing member including opposed parallel sides, first wall means extending per-pendicularly to the sides and partially defining a trochoid shaped rotor cavity, second wall means ex-tending perpendicularly to the sides and defining a first exhaust passage extending in spaced relation to the rotor cavity, and third wall means defining an exhaust duct extending from the rotor cavity to the first exhaust passage, a first wall member located adjacent to one of the housing member sides and further defining the rotor cavity and including a second ex-haust passage in alignment with the first exhaust passage and a second wall member located adjacent to the other of the rotor housing member sides and further defining the rotor cavity.
Disclosed herein is a rotary internal com-bustion engine comprising a housing member including opposed parallel sides, first wall means extending per-pendicularly to the sides and partially defining a trochoid shaped rotor cavity, second wall means ex-tending perpendicularly to the sides and defining a first exhaust passage extending in spaced relation to the rotor cavity, and third wall means defining an exhaust duct extending from the rotor cavity to the first exhaust passage, a first wall member located adjacent to one of the housing member sides and further defining the rotor cavity and including a second ex-haust passage in alignment with the first exhaust passage and a second wall member located adjacent to the other of the rotor housing member sides and further defining the rotor cavity.
Description
INVENTORS
Eugene R. Hackbarth and Harry M. Ward III
TITLE
Rotary Internal Combustion Engine Exhaust System BACKGROUND OF THE INVENTION
The invention relates generally to rotary internal combustion engines and to exhaust gas disc:harge arrangements for such engines. The invention also relates . to multiple rotor rotary combustion engines and to exhaust gas discharge arrangements therefor.
SUMMARY OF THE INVENTI~N
The invention provides a rotary internal com-bustion engine comprising a housing member including op-1~ posed parallel sides, first wall means extending pe!rpen-; dicularly to the s~des and partially defining a trochoid shaped rotor cavity, ~econd wall means~extending perpen-d~cularly to the s des and de~ini~g a first exhaust: passage extending in spaced relation to the rotor cavity, a.nd third wall means defining an exhaust duc~ extending from the rotor cavity to the first exhaust passage, a first wall member located adjacent to one of the housing member sides and further defining the rotor cavity and încluding a second exhaust passage aligned with the.first exhau.st passage, and a second wall member located adjacent to the ~ other of the rotor housing member sides and further defining - the rotor cavity.
The invention also provides a rotary internal combustion engine comprising a housing assembly including 8V;~
first and second housing members located in parallel, spaced, and aligned relation to each other and including respective wall means partially defining first and second trochoid shaped rotor cavities, respective first additional wall means respectively defining first and second exhaust passages extending perpendicularly to the parallel relation of the first and second housing members and in spaced relation to the first and second rotor cavities, and respec-tive second additional wall means respectively defining first and second exhaust ducts extending respectively from the first and second rotor cavities to the first and second exhaust passages, together with a first wall member located adjacent to the first housing member remotely from the second housing member and further defining the first rotor cavity and including an exhaust passage aligned i with the first exhaust passage, a second wall member i~
located adjacent to the second housing member remoteLy from the first housing member and further defining the second rotor cavity, and an intermediate member located between the first and second housing members, -~
further defining the first and second rotor cavities ~ and including an exhaust passage aligned with the first :', and second exhaust passages.
~ -2-.~
~ .
:; ' ' . ' :
~ 98~2 ~ `, In the preferred construction, the first -:
and second rotor housing members are either substan- ~ -tially identically constructed or identically constructed.
One of the principal features of the invention is the provision in a trochoid cavity housing member of an exhaust duct provided by wall means extending per-pendicularly to the sides of the housing member.
One of the principal features o~ the i~vention is the provision of a multi-rotor rotary internal combustion .
: 10 engine constructed from a stack or sandwich of generally parallel members and wherein an exhaust duct or passage is provided in the stacked members in generally parallel ~.
relation to the cranksnaft axis and in communication with each of the rotor chambers.
Another of the principal features of the : inven~tion;is the provision of a rotary internal combustion engine in accordance with the previous paragraph and : ~: : : :
:: :
: ~ :
:~
.
:
~ : -2a-::
~ .
wherein substantially identically constructed rotor housing members are employed.
Still another of the principal features of the invention is the provision of a rotary internal combustion engine in which the stacked members can all be readily die cast.
Other features and aspects of the embodi-ments of the invention will become known by reference to the following drawings, general description, and claims.
DRAWINGS
Figure 1 is a ~ragmentary side elevational view, partially broken away and in section, of a multi-rotor rotary internal combustion engine embodying various of the features of the invention.
Before explaining one embodiment of the in- :
vention in detail, it is to be understood that the invention lS not limited in its application to the details of the construction and arrangement of parts set forth in the following general description or illustrated in the accompanying drawings, except as defined in the claimstsince the invention is capable of other embodiments and of being practiced or carried out in various ways. Also, it is to ., . ~
8~2 ,,--.
be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation.
GENERAL DESCRIPTION
Shown in the drawings is a rotary internal ; -~
combustion engine 11 comprising a housing assembly 13 including first and second or lower and upper substan-tially identical housing members 15 and 17 which are located in spaced, parallel and aligned relation to each other and which respectively include wall means defining first a~d second or lower and upper trochoid shaped rotor cavities 19 and 21 and respective additional wall means defining first and second or lower and upper cooling jackets 23 and 25. The first and second or lower and upper housing members 15 and 17 further respectively include other additional wall means defining first and second or lower and upper exhaust passages 27 and 29 extending in the direction perpendicular to the parallel relation of the housing members 15 and 17 (i.e., in parallel with the crankshaft still to be disclosed) and located in spaced relation to the rotor cavities 19 and 21 and cooling jackets 23 and 25 and in alignment relative to each other.
In addition, the first and seco~d or lower and upper housing members 15 and 17 respectively include still other wall means which define first and second or lower .- , z and upper exhaust ducts 31 and 33 communicating respec-tively between the first and second rotor cavities L9 and 21 and the first and second exhaust passages 27 and 29.
As the housing members 15 and 17 are preferably die cast, the castings or members additionally respectively include lower and upper bores 35 and 37 which are aligned with the exhaust ducts 31 and 33 in order to facilitate casting and which are closed by respective covers or plates 39 and 41.
The housing assembly 13 further includes an intermediate member 51 which is located between the first and second or lower and upper housing members 15 and 17 and which additionally defines ~he first and second rotor cavities 19 and 21 and the first and second cooling jackets 23 and 25 and which also includes an exhaust passage 53 in alignment with and communicating between the first and second or lower and upper exhaust passages 27 and 29 in the first and second or lower and upper housing members 15 and 17.
Eugene R. Hackbarth and Harry M. Ward III
TITLE
Rotary Internal Combustion Engine Exhaust System BACKGROUND OF THE INVENTION
The invention relates generally to rotary internal combustion engines and to exhaust gas disc:harge arrangements for such engines. The invention also relates . to multiple rotor rotary combustion engines and to exhaust gas discharge arrangements therefor.
SUMMARY OF THE INVENTI~N
The invention provides a rotary internal com-bustion engine comprising a housing member including op-1~ posed parallel sides, first wall means extending pe!rpen-; dicularly to the s~des and partially defining a trochoid shaped rotor cavity, ~econd wall means~extending perpen-d~cularly to the s des and de~ini~g a first exhaust: passage extending in spaced relation to the rotor cavity, a.nd third wall means defining an exhaust duc~ extending from the rotor cavity to the first exhaust passage, a first wall member located adjacent to one of the housing member sides and further defining the rotor cavity and încluding a second exhaust passage aligned with the.first exhau.st passage, and a second wall member located adjacent to the ~ other of the rotor housing member sides and further defining - the rotor cavity.
The invention also provides a rotary internal combustion engine comprising a housing assembly including 8V;~
first and second housing members located in parallel, spaced, and aligned relation to each other and including respective wall means partially defining first and second trochoid shaped rotor cavities, respective first additional wall means respectively defining first and second exhaust passages extending perpendicularly to the parallel relation of the first and second housing members and in spaced relation to the first and second rotor cavities, and respec-tive second additional wall means respectively defining first and second exhaust ducts extending respectively from the first and second rotor cavities to the first and second exhaust passages, together with a first wall member located adjacent to the first housing member remotely from the second housing member and further defining the first rotor cavity and including an exhaust passage aligned i with the first exhaust passage, a second wall member i~
located adjacent to the second housing member remoteLy from the first housing member and further defining the second rotor cavity, and an intermediate member located between the first and second housing members, -~
further defining the first and second rotor cavities ~ and including an exhaust passage aligned with the first :', and second exhaust passages.
~ -2-.~
~ .
:; ' ' . ' :
~ 98~2 ~ `, In the preferred construction, the first -:
and second rotor housing members are either substan- ~ -tially identically constructed or identically constructed.
One of the principal features of the invention is the provision in a trochoid cavity housing member of an exhaust duct provided by wall means extending per-pendicularly to the sides of the housing member.
One of the principal features o~ the i~vention is the provision of a multi-rotor rotary internal combustion .
: 10 engine constructed from a stack or sandwich of generally parallel members and wherein an exhaust duct or passage is provided in the stacked members in generally parallel ~.
relation to the cranksnaft axis and in communication with each of the rotor chambers.
Another of the principal features of the : inven~tion;is the provision of a rotary internal combustion engine in accordance with the previous paragraph and : ~: : : :
:: :
: ~ :
:~
.
:
~ : -2a-::
~ .
wherein substantially identically constructed rotor housing members are employed.
Still another of the principal features of the invention is the provision of a rotary internal combustion engine in which the stacked members can all be readily die cast.
Other features and aspects of the embodi-ments of the invention will become known by reference to the following drawings, general description, and claims.
DRAWINGS
Figure 1 is a ~ragmentary side elevational view, partially broken away and in section, of a multi-rotor rotary internal combustion engine embodying various of the features of the invention.
Before explaining one embodiment of the in- :
vention in detail, it is to be understood that the invention lS not limited in its application to the details of the construction and arrangement of parts set forth in the following general description or illustrated in the accompanying drawings, except as defined in the claimstsince the invention is capable of other embodiments and of being practiced or carried out in various ways. Also, it is to ., . ~
8~2 ,,--.
be understood that the phraseology or terminology employed herein is for the purpose of description and not of limitation.
GENERAL DESCRIPTION
Shown in the drawings is a rotary internal ; -~
combustion engine 11 comprising a housing assembly 13 including first and second or lower and upper substan-tially identical housing members 15 and 17 which are located in spaced, parallel and aligned relation to each other and which respectively include wall means defining first a~d second or lower and upper trochoid shaped rotor cavities 19 and 21 and respective additional wall means defining first and second or lower and upper cooling jackets 23 and 25. The first and second or lower and upper housing members 15 and 17 further respectively include other additional wall means defining first and second or lower and upper exhaust passages 27 and 29 extending in the direction perpendicular to the parallel relation of the housing members 15 and 17 (i.e., in parallel with the crankshaft still to be disclosed) and located in spaced relation to the rotor cavities 19 and 21 and cooling jackets 23 and 25 and in alignment relative to each other.
In addition, the first and seco~d or lower and upper housing members 15 and 17 respectively include still other wall means which define first and second or lower .- , z and upper exhaust ducts 31 and 33 communicating respec-tively between the first and second rotor cavities L9 and 21 and the first and second exhaust passages 27 and 29.
As the housing members 15 and 17 are preferably die cast, the castings or members additionally respectively include lower and upper bores 35 and 37 which are aligned with the exhaust ducts 31 and 33 in order to facilitate casting and which are closed by respective covers or plates 39 and 41.
The housing assembly 13 further includes an intermediate member 51 which is located between the first and second or lower and upper housing members 15 and 17 and which additionally defines ~he first and second rotor cavities 19 and 21 and the first and second cooling jackets 23 and 25 and which also includes an exhaust passage 53 in alignment with and communicating between the first and second or lower and upper exhaust passages 27 and 29 in the first and second or lower and upper housing members 15 and 17.
2~ The housing assembly 13 further includes an upper wall member 61 which is located adjacent to the upper or second housing member 17 remotely from the intermediate member 51 and which additionally defines the upper or second rotor cavity 21 and the upper or second cooling jacket 25 and which closes the upper end of the exhaust passage 29 in the upper or second housing member 17.
QZ
' ;~
The housing assembly further includes a lower wall member 65 which is located adjacent to the lower or ~ , first housing member 15 remotely from the intermediate ; :
member 51 and which additionally defines the lower or first rotor cavity 19 and the lower or first cooling jacket 23 and which includes an exhaust passage 67 aligned with and communicating with the exhaust passage 27 in the lower or first housing member 15 and~having an outlet 69 adapted to be connected in any suitable manner to a dis-, charge pipe or conduit 71 extending from the housing ' :' assembly 13.
The upper and lower wall members 61 and 65 also support upper and lower bearings 73 and 75 which serve to rotatably support a crankshaft 77 which includes first and~second or lower and upper~eccentric portions respec-tively located in the firs,t~and second or~ lower:and upper rotor cavities l9~and 21~and rotatably supporting therein ,`~
respective~first and~second or lower and upper rotors 83~and~85 which,~in response to rotation thereof, define ~ rot:atLng:eombustion~,c,ha,mbers within the first and second or lower and upper~rotor cavit~es,l9 and 21.
: . ; : Mounted on the crankshaft 77 is a flywheel 86.
Lower and upper gear means 87 and 89 are pro-~ `:
vided on the housing assembly 13 and on the rotors 83 and 8~5~to effect relative rotation between the rotors 83 and 85 ~:
~ and the housing assembly 13 and between the rotors 83 and 85 .. ~ . .
and the crankshaft 77 in response to the occurrence of combustion in the rotating chambers.
Suitable means are provided for securing to-gether in a stack the beforementioned upper and lower wall members 61 and 65, the lower and upper housing members 15 and 17, and the intermediate member 51 with the rotor cavities L9 and 21 in aLignment and w;th the exhaust passages 27, 29, 53 and 67 in alignment. In the illustrated construction, such means compri6es a plurality of bolts Ql extending through each of the members 15, 17, 51, 61 and 65.
The disclosed construction advantageously permits utilization of substantially or completely identical hous-ing members and avoids employment of a separate exhaust manifold connectable to each of the housing members.
Various of the features of the invention are ; set forth in the following claims.
~: ;:
QZ
' ;~
The housing assembly further includes a lower wall member 65 which is located adjacent to the lower or ~ , first housing member 15 remotely from the intermediate ; :
member 51 and which additionally defines the lower or first rotor cavity 19 and the lower or first cooling jacket 23 and which includes an exhaust passage 67 aligned with and communicating with the exhaust passage 27 in the lower or first housing member 15 and~having an outlet 69 adapted to be connected in any suitable manner to a dis-, charge pipe or conduit 71 extending from the housing ' :' assembly 13.
The upper and lower wall members 61 and 65 also support upper and lower bearings 73 and 75 which serve to rotatably support a crankshaft 77 which includes first and~second or lower and upper~eccentric portions respec-tively located in the firs,t~and second or~ lower:and upper rotor cavities l9~and 21~and rotatably supporting therein ,`~
respective~first and~second or lower and upper rotors 83~and~85 which,~in response to rotation thereof, define ~ rot:atLng:eombustion~,c,ha,mbers within the first and second or lower and upper~rotor cavit~es,l9 and 21.
: . ; : Mounted on the crankshaft 77 is a flywheel 86.
Lower and upper gear means 87 and 89 are pro-~ `:
vided on the housing assembly 13 and on the rotors 83 and 8~5~to effect relative rotation between the rotors 83 and 85 ~:
~ and the housing assembly 13 and between the rotors 83 and 85 .. ~ . .
and the crankshaft 77 in response to the occurrence of combustion in the rotating chambers.
Suitable means are provided for securing to-gether in a stack the beforementioned upper and lower wall members 61 and 65, the lower and upper housing members 15 and 17, and the intermediate member 51 with the rotor cavities L9 and 21 in aLignment and w;th the exhaust passages 27, 29, 53 and 67 in alignment. In the illustrated construction, such means compri6es a plurality of bolts Ql extending through each of the members 15, 17, 51, 61 and 65.
The disclosed construction advantageously permits utilization of substantially or completely identical hous-ing members and avoids employment of a separate exhaust manifold connectable to each of the housing members.
Various of the features of the invention are ; set forth in the following claims.
~: ;:
Claims (6)
1. A rotary internal combustion engine com-prising a housing assembly including first and second housing members located in parallel, spaced, and aligned relation to each other and including respective wall means partially defining first and second trochoid shaped rotor cavities, respective first additional wall means respec-tively defining first and second exhaust passages extending perpendicularly to the parallel relation of said first and second housing members and in spaced relation to said first and second rotor cavities, and respective second additional wall means respectively defining first and second exhaust ducts extending respectively from said first and second rotor cavities to said first and second exhaust passages, a first wall member located adjacent to said first housing member remotely from said second housing member and further defining said first rotor cavity and including an exhaust passage aligned with said first exhaust passage, a second wall member located adjacent to said second rotor housing member remotely from said first housing member and further defining said second rotor cavity, and an intermediate member located between said first and second housing members, further de-fining said first and second rotor cavities and including an exhaust passage aligned with said first and second exhaust passages.
2, A rotary internal combustion engine in accordance with Claim 1 wherein said first and second housing members are substantially identically constructed.
3. A rotary internal combustion engine comprising a housing member including opposed parallel sides, first wall means extending perpendicularly to said sides and partially defining trochoid shaped rotor cavity, second wall means extending perpendicu-larly to said sides and defining a first exhaust passage extending in spaced relation to said rotor cavity, and third wall means defining an exhaust duct extending from said rotor cavity to said first exhaust passage, a first wall member located adjacent to one of said housing member sides and further defining said rotor cavity and including a second ex-haust passage in alignment with said first exhaust passage and a second wall member located adjacent to the other of said rotor housing member sides and further defining said rotor cavity.
4. A rotary internal combustion engine com-prising a housing assembly including first and second housing members located in parallel, spaced, and aligned relation to each other about a rotor axis and including respective wall means partially defining first and second trochoid shaped rotor cavities, respective first additional wall means respectively defining first and second exhaust passages which together define an internal exhaust path extending parallel to said rotor axis and in spaced relation to said first and second rotor cavities, and respective second additional wall means respectively defining first and second exhaust ducts extending respectively from said first and second rotor cavities to said first and second exhaust passages, a first wall member located adjacent to said first housing member remotely from said second housing member and further defining said first rotor cavity and including an exhaust passage aligned with said first:
exhaust passage, a second wall member located adjacent to said second rotor housing member remotely from said first housing member and further defining said second rotor cavity, and an intermediate member located between said first and second housing members, further defining said first and second rotor cavities and including an exhaust passage aligned with said first and second exhaust passages.
exhaust passage, a second wall member located adjacent to said second rotor housing member remotely from said first housing member and further defining said second rotor cavity, and an intermediate member located between said first and second housing members, further defining said first and second rotor cavities and including an exhaust passage aligned with said first and second exhaust passages.
5. A rotary internal combustion engine in accordance with Claim 4 wherein said first and second housing members are substantially identically constructed.
6. A rotary internal combustion engine com-prising a housing member including opposed parallel sides, first wall means extending perpendicularly to said sides and partially defining a trochoid shaped rotor cavity having an axis perpendicular to said sides, second wall means extending perpendicularly to said sides and defining a first exhaust passage which extends interiorly of said housing in spaced relation to said rotor cavity and in parallel relation to the cavity axis, and third wall means defining an exhaust duct extending from said rotor cavity to said first exhaust passage, a first wall member located adjacent to one of said housing member sides and further defining said rotor cavity and including a second exhaust passage which aligns with said first exhaust passage, and a second wall member located adjacent to the other of said rotor housing member sides and further defining said rotor cavity.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US44404374A | 1974-02-20 | 1974-02-20 | |
| US444,043 | 1974-02-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1109802A true CA1109802A (en) | 1981-09-29 |
Family
ID=23763250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA213,646A Expired CA1109802A (en) | 1974-02-20 | 1974-11-13 | Rotary internal combustion engine exhaust system |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS58571B2 (en) |
| CA (1) | CA1109802A (en) |
| DE (1) | DE2506369C2 (en) |
| IL (1) | IL46364A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6050579U (en) * | 1983-09-16 | 1985-04-09 | ソニー株式会社 | image projection device |
| JPS6077173U (en) * | 1983-11-01 | 1985-05-29 | 三菱電機株式会社 | Projection television receiver |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US902762A (en) * | 1908-02-24 | 1908-11-03 | Z L Risley | Rotary engine. |
| AT210209B (en) * | 1958-10-07 | 1960-07-25 | Nsu Werke Ag | Multiple arrangement of four-stroke rotary piston engines |
-
1974
- 1974-11-13 CA CA213,646A patent/CA1109802A/en not_active Expired
- 1974-12-30 IL IL46364A patent/IL46364A/en unknown
-
1975
- 1975-02-14 DE DE2506369A patent/DE2506369C2/en not_active Expired
- 1975-02-20 JP JP50021404A patent/JPS58571B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IL46364A0 (en) | 1975-03-13 |
| DE2506369A1 (en) | 1975-08-21 |
| DE2506369C2 (en) | 1986-09-18 |
| JPS50118111A (en) | 1975-09-16 |
| IL46364A (en) | 1979-01-31 |
| JPS58571B2 (en) | 1983-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |