Culvert beaver block

Details Culvert beaver block Culvert beaver block

1985-09-25

1987-05-05

Husar, Cornelius J.

Hydraulic and earth engineering

Fluid control, treatment, or containment

Flow control

405127, 405124, 405 80, E02B 300

Patent

active

046627820

ABSTRACT:
In a situation where animals, such as beavers, attempt to flood lands by blocking culverts or constructing dams across waterways, a device is used to maintain a constant flow of water through the dam or culvert. An elongated pipe or culvert with a downwardly directed opening distant from the culvert or dam is used. On the end of the pipe closest to the culvert is a gate which prevents animals and debris from passing through but allows for the smaller elongated pipe to communicate with the culvert. The beaver instinctively attempts to dam the gate area rather than dam the underwater opening of the elongated pipe, and thus is unsuccessful in stopping the flow of water.

REFERENCES:
patent: 567653 (1896-09-01), Parker
patent: 884072 (1908-04-01), Carey
patent: 997383 (1911-07-01), Foster
patent: 1052338 (1913-02-01), Holmes
patent: 1077132 (1913-10-01), Erickson
patent: 1344656 (1920-06-01), Saltsman
patent: 1664503 (1928-04-01), Cornell
patent: 2361231 (1927-10-01), Nebolsine
patent: 2821842 (1958-02-01), Christiansen

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