Rock bit water deflector and separator

Claim 2

A drill bit with fluid circulation, comprising: a main body; a plurality of cutter members rotatably attached to said main body; bearing means for reducing friction between said main body and said cutter members; means for separating the fluid into a first portion and a second portion, said first portion including a relatively small amount of water and said second portion including a relatively large amount of water, said means for separating the fluid into a first portion and a second portion including three hollow members and means covering each hollow member for preventing said fluid from directly entering said hollow members; means for directing said first portion of fluid to said bearing means; and means for directing said second portion of fluid proximate said cutter members.

Claim 3

A drill bit adapted to be connected to a rotary drill string, wherein a fluid containing an entrained dust surpressing liquid is circulated through said drill string, comprising: a main bit body adapted to be connected to said rotary drill string, said main bit body including a central chamber having an opening for communication with said rotary drill string; a first cutter member rotatably attached to said main bit body; first bearing means for promoting rotation of said cutter member; first passage means extending from said central chamber for directing a portion of said fluid to said first bearing means; a first hollow element positioned in said central chamber and connected to said first passage means; a first cap means positioned over said first hollow element in said central chamber for preventing said circulating fluid from directly entering said first hollow element and causing said fluid to change directions one or more times and substantially preventing said entrained dust suppressing liquid from entering said first hollow element and said first passage means; a second cutter member rotatably attached to said main bit body; second bearing means for promoting rotation of said second cutter member; second passage means extending from central chamber for directing a portion of said fluid to said second bearing means; a second hollow element positioned in said central chamber and connected to said second passage means; a second cap means positioned over said second hollow element in said central chamber for preventing said circulating fluid from directly entering said second hollow element and causing said fluid to change directions one or more times and substantially preventing said entrained dust suppressing liquid from entering said second hollow element and said second passage means; a third cutter member rotatably attached to said main bit body; third bearing means for promoting rotation of said third cutting member; third passage means extending from said central chamber for directing a portion of said fluid to said third bearing means; a third hollow element positioned in said central chamber and connected to said third passage means; a third cap means positioned over said third hollow element in said central chamber for preventing said circulating fluid from directly entering said third hollow element and causing said fluid to change direction one or more times and substantially preventing said entrained dust suppressing liquid from entering said third hollow and said third passage means; and a fourth passage means extending from said central chamber for directing a fourth portion of said fluid approximate said first, second and third cutter members.

Claim 4

A drill bit adapted to be connected to a rotary drill string, wherein a fluid containing an entrained dust surpressing liquid is circulated through said drill string, comprising: a main bit body adapted to be connected to said rotary drill string, said main bit body including a central chamber having an opening for communication with said rotary drill string; a first cutter member rotatably attached to said main bit body; first bearing means for promoting rotation of said cutter member; first passage means extending from said central chamber for directing a portion of said fluid to said first bearing means; a first hollow element positioned in said central chamber and connected to said first passage means; a first cap means positioned over said first hollow element in said central chamber for preventing said circulating fluid from directly entering said first hollow element and causing said fluid to change directions one or more times and substantially preventing said entrained dust suppressing liquid from entering said first hollow element and said first passage means; a second cutter member rotatably attached to said main bit body; second bearing means for promoting rotation of said second cutter member; second passage means extending from central chamber for directing a portion of said fluid to said second bearing means; a second hollow element positioned in said central chamber and connected to said second passage means; a second cap means positioned over said second hollow element in said central chamber for preventing said circulating fluid from directly entering said second hollow element and causing said fluid to change directions one or more times and substantially preventing said entrained dust suppressing liquid from entering said second hollow element and said second passage means; a third cutter member rotatably attached to said main bit body; third bearing means for promoting rotation of said third cutting member; third passage means extending from said central chamber for directing a portion of said fluid to said third bearing means; a third hollow element positioned in said central chamber and connected to said third passage means; a third cap means positioned over said third hollow element in said central chamber for preventing said circulating fluid from directly entering said third hollow element and causing said fluid to change direction one or more times and substantially preventing said entrained dust suppressing liquid from entering said third hollow and said third passage means; and a fourth passage means extending from said central chamber for directing a fourth portion of said fluid approximate said first, second and third cutter members.