The invention relates to the technical field of trawlers, and discloses a flow guide pipe of a trawler. The flow guide pipe comprises an inner casing, an outer casing, a first wheel ring and a second wheel ring, wherein the first wheel ring is connected with the upper ends of the inner casing and the outer casing, the second wheel ring is connected with the lower ends of the inner casing and the outer casing, and the inner casing is of a structure which is concave to the inner side; the upper ends of the inner casing and the outer casing are welded on the first wheel ring, the lower ends of the inner casing and the outer casing are welded on the second wheel ring, and a cavity is formed between the inner casing and the outer casing. The flow guide pipe has the advantages that the drag force is increased, and the like.
Flow guide pipe of trawler
2015-08-12
Patent
Electronic Resource
English
IPC: | B63H Schiffsantrieb oder Steuerung der Schiffe , MARINE PROPULSION OR STEERING |
Engineering Index Backfile | 1961
|Engineering Index Backfile | 1946
Engineering Index Backfile | 1950
Engineering Index Backfile | 1947
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