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|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||239/171 ; 239/650 ; 244/136|
|발명자 / 주소|
|인용정보||피인용 횟수 : 5 인용 특허 : 0|
The main storage hopper of an aerial crop dusting apparatus incorporated in aircraft is equipped with a suction pipe which extends from the outlet to the lowest depths of the hopper to insure that all the insecticide stored therein is dispensed. The suction pipe has a constant cross-sectional area throughout its length to insure constant fluid flow. The pipe attaches to the outlet by a connector which has a free bevelled edge to contact a bevelled edge of the pipe. A nut is positioned over a flange on the pipe and has threads which connect with cooperati...
An aircraft crop spraying apparatus comprising a hopper having a bottom, an outlet opening formed in said hopper, an outlet tube connected to said outlet opening, said outlet opening being spaced above the bottom of said hopper, an adaptor fixedly mounted to said hopper over said outlet opening; a suction tube removably attached to said adaptor, said suction tube extending from said adaptor to a position adjacent to but slightly spaced from the bottom of said hopper, said adaptor including a connector having external threads formed thereon and further in...