Multinozzle spraying apparatus

阅读:338发布:2021-01-17

专利汇可以提供Multinozzle spraying apparatus专利检索,专利查询,专利分析的服务。并且The present invention relates to multinozzle spraying apparatus for spraying insecticides and the like. A plurality of spray nozzles having differing spray characteristics are provided attached to a multiport turret member. The turret member is rotatably secured to a hollow spindle having a hose connection on the rearward end and a seating surface on the forward end thereof for continuously engaging a seating surface formed in the turret member during the rotation of the turret member. The seating surface of the hollow spindle includes a flow port therein, and ports are provided in the seating surface of the turret member each communicated with a separate spray nozzle and positioned with respect to the spindle flow port so that rotation of the turret member brings the ports therein into selective registration with the spindle flow port. Means for indicating the pressure of fluid passing through the apparatus to a selected spray nozzle are provided as well as means for adding selected quantities of dye or other separate ingredient to the fluid.,下面是Multinozzle spraying apparatus专利的具体信息内容。

1. A multinozzle spraying apparatus comprising: a spindle having a fluid passageway therethrough and having a seating surface on the forward end thereof and a hose connection on the rearward end thereof, said seating surface including a flow port therein communicating with said passageway; a turret member rotatably secured on the forward portion of said spindle having a multiport seating surface formed therein for matingly engaging the seating surface of said spindle and including a plurality of fluid passages each extending from one of the ports in said multiport seating surface to one of a plurality of threaded recesses disposed in the external surface thereof, said ports in said turret member being spaced apart from each other and positioned with respect to the flow port in said spindle so that the turret member may be rotated to bring the ports therein into selective registration with the flow port in said spindle or to shut off flow therethrough; means for indicating the pressure of the fluid flowing through any one of said fluid passages in said turret member comprising: a threaded recess disposed in said turret member; a pressure passage disposed in said turret member communicating said threaded recess with the forward end of said spindle; said spindle including a second port in the seating surface thereof connected to the forward end thereof by a pressure passage; said turret member including a second plurality of ports in the seating surface thereof, each communicated with one of said fluid passageways therein by a pressure passage, said second ports in said turret member being positioned with respect to the second port in said spindle so that when said flow port in said spindle is aligned with a port in said turret member, one of said second ports in said turret member is aligned with said second port in said spindle; and a pressure indicator threadedly secured in said threaded recess; means for maintaining the seating surface of said spindle in mated engagement with the multiport seating surface of said turret member attached to said turret member and to said spindle; and a plurality of spray nozzles having different spray characteristics each threadedly secured in one of said threaded recesses in said turret member.
2. The apparatus of claim 1, wherein the means for maintaining the seating surface of said spindle in mated engagement with the multiport seating surface of said turret member comprises: said spindle including an outwardly extending annular shoulder positioned near the forward end thereof in a plane perpendicular to the axis thereof; a cylindrical sleeve rotatably secured on said spindle with the forward end thereof positioned adjacent to said shoulder and threadedly attached to said turret member so that movement of said sleeve in a forward direction tightens the seating surface of said spindle against the seating surface of said turret member.
3. The apparatus of claim 2, which is further characterized to include a bearing member of frustoconical shApe formed of self-lubricating material positioned between the seating surface of said turret member and the seating surface of said spindle.
4. The apparatus of claim 3, which is further characterized to include a bearing member formed of a self-lubricating material positioned between said annular shoulder of said spindle and the forward end of said cylindrical sleeve.
5. The apparatus of claim 4, which is further characterized to include means for injecting selected quantities of a separate fluid into the fluid passing through said spindle fluid passageway attached to said spindle.
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