FR517496A - Perfectionnements apportés à la construction des moteurs - Google Patents
Perfectionnements apportés à la construction des moteursInfo
- Publication number
- FR517496A FR517496A FR517496DA FR517496A FR 517496 A FR517496 A FR 517496A FR 517496D A FR517496D A FR 517496DA FR 517496 A FR517496 A FR 517496A
- Authority
- FR
- France
- Prior art keywords
- engine construction
- engine
- construction
- 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
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F1/00—Cylinders; Cylinder heads
- F02F1/02—Cylinders; Cylinder heads having cooling means
- F02F1/04—Cylinders; Cylinder heads having cooling means for air cooling
- F02F1/06—Shape or arrangement of cooling fins; Finned cylinders
- F02F1/065—Shape or arrangement of cooling fins; Finned cylinders with means for directing or distributing cooling medium
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/18—Focusing aids
- G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Viewfinders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US517496XA | 1937-09-30 | 1937-09-30 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR517496A true FR517496A (fr) | 1921-05-06 |
Family
ID=21973160
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR517496D Expired FR517496A (fr) | 1919-06-27 | 1920-06-19 | Perfectionnements apportés à la construction des moteurs |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR517496A (fr) |
GB (1) | GB517496A (fr) |
-
1920
- 1920-06-19 FR FR517496D patent/FR517496A/fr not_active Expired
-
1938
- 1938-09-30 GB GB28443/38A patent/GB517496A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB517496A (en) | 1940-01-31 |
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