초록 ▼

A float switch construction for monitoring liquid levels, comprising a float housing having a float member which is movable therein between raised and lowered positions. In the housing there is a fixed contact member and an asymmetric, elongate movable contact member, the latter having a laterally o

A float switch construction for monitoring liquid levels, comprising a float housing having a float member which is movable therein between raised and lowered positions. In the housing there is a fixed contact member and an asymmetric, elongate movable contact member, the latter having a laterally offset portion constituting a gravity-responsive mass. The housing has an electrically conductive bearing which mounts the movable contact member for both turning and pivotal movement and for conducting current to or from it. The float member and movable contact member are freely turnable with respect to one another, and have cooperable engaging portions for causing the movable contact member to pivot in response to movement of the float member. The fixed contact member has contact portions disposed annularly for engagement by the movable contact member in response to its pivotal movement irrespective of the angular orientation of the float housing. Engagement of the contact members controls a circuit from the fixed contact member to the bearing.

대표청구항 ▼

A float switch construction for monitoring liquid levels, comprising in combination: (a) an elongate float housing having an axis, and having an aperture to permit the liquid to enter the interior thereof, said housing being adapted for mounting in different rotative positions with its axis substant

A float switch construction for monitoring liquid levels, comprising in combination: (a) an elongate float housing having an axis, and having an aperture to permit the liquid to enter the interior thereof, said housing being adapted for mounting in different rotative positions with its axis substantially horizontal, (b) a float member comprising buoyant material, said member being held captive in said housing and being movable therein between raised and lowered positions, (c) an asymmetric, elongate movable contact member disposed in the housing with its axis substantially horizontal, (d) said movable contact member having a laterally offset portion constituting a gravity-responsive mass disposed at one side of its axis, (e) electrically conductive bearing means in said housing, engaged with the contact member at a point intermediate its ends, and mounting the member for both turning movement and pivotal movement in the housing, and for conducting current to or from the contact member, (f) said float member and movable contact member having cooperating engaged portions causing the movable contact member to pivot in response to rise or fall of the float member, said movable contact member being freely turnable with respect to the float member, and (g) a fixed contact member having contact portions disposed in a generally circular configuration, said fixed contact member being located in said housing, adjacent to said movable contact member and adapted for engagement by the movable contact member in response to the pivotal movement thereof irrespective of the angular orientation of the float housing, (h) said engagement of said contact members establishing a circuit from the fixed contact member to said bearing means.