Control of jets of liquid

Claim 2

Apparatus for deflecting a high pressure jet of liquid, comprising: (a) a nozzle; (b) an orifice in said nozzle through which liquid may pass to form said jet; (c) said orifice having an inlet end for liquid and an outlet end; (d) a pair of deflecting members, each of said deflecting members having an inlet-end facing surface and an outlet-end facing surface, said outlet-end facing surface being configured to form a chisel shaped end region of said deflecting member, which region terminates in a sharp edge; (e) mounting means enabling mounting of said deflecting members relative to said outlet end of said nozzle; (f) the deflecting members being positioned in a jet deflecting position by said mounting means so they are diametrically opposed to each other and so that a portion of each said chisel shaped end region projects into the path of said jet, each said outlet-end facing surface being inclined away from said sharp edge to prevent said jet, as it passes through a restrictive aperture formed by the opposed sharp edges, from adhering, by capillary action, to said deflecting member; and (g) securing means for firmly securing each deflecting member relative to said nozzle in said jet deflecting position.

Claim 3

Apparatus for deflecting a jet of liquid as claimed in claim 1 wherein said deflecting members are positioned in relation to said nozzle so that each abuts the nozzle in which said orifice is formed.

Claim 4

Apparatus for deflecting a jet of liquid as claimed in claim 1 further comprising a plate member, said securing means securing each deflecting member to said plate member and wherein said plate member is secured relative to the jet forming nozzle.

Claim 5

Apparatus as claimed in claim 3 wherein said plate member is secured relative to said jet forming nozzle in a manner such that said deflecting members are sandwiched between said nozzle and said plate member and wherein said plate member is dimensioned and positioned relative to said nozzle so as not to interfere with said jet of liquid.

Claim 6

Apparatus for deflecting a high pressure jet of liquid, comprising: (a) a nozzle; (b) an orifice in said nozzle through which liquid may pass to form said jet; (c) said orifice having an inlet end for liquid and an outlet end; (d) a pair of deflecting members, each of said deflecting members having an inlet-end facing surface and an outlet-end facing surface, said outlet-end facing surface being configured to form a chisel shaped end region of said deflecting member, which region terminates in a sharp edge; (e) mounting means enabling mounting of said deflecting members relative to said outlet end of said nozzle; (f) the deflecting members being positioned in a jet deflecting position by said mounting means so they are diametrically opposed to each other and so that a portion of each said chisel shaped end region projects into the path of said jet, each said outlet-end facing surface being inclined away from said sharp edge to prevent said jet, as it passes through a respective aperture formed by the opposed sharp edges, from adhering, by capillary action, to said deflecting member; (g) securing means including a plate member for firmly securing each deflecting member relative to said nozzle in said jet deflecting position; (h) a cap member; and (i) co-operating attachment means provided on said nozzle and on said cap member; the arrangement being such that said cap member engages said nozzle so as to entrap and secure said plate member and each of said deflecting members and position said deflecting members relative to said jet forming orifice in a predetermined desired position.

Claim 7

Apparatus for deflecting a high pressure jet of liquid, comprising: (a) a nozzle; (b) an orifice in said nozzle through which liquid may pass to form said jet; (c) said orifice having an inlet end for liquid and an outlet end; (d) a pair of deflecting members, each of said deflecting members having an inlet-end facing surface and an outlet-end facing surface, said outlet-end facing surface being configured to form a chisel shaped end region of said deflecting member, which region terminates in a sharp edge; (e) mounting means enabling mounting of said deflecting members relative to said outlet end of said nozzle; (f) the deflecting members being positioned in a jet deflecting position by said mounting means so they are diametrically opposed to each other and so that a portion of each said chisel shaped end region projects into the path of said jet, each said outlet-end facing surface being inclined away from said sharp edge to prevent said jet, as it passes through a respective aperture formed by the opposed sharp edges, from adhering, by capillary action, to said deflecting member; (g) securing means including a plate member for firmly securing each deflecting member relative to said nozzle in said jet deflecting position; (h) a cap member; and (i) co-operating attachment means provided on said nozzle and on said cap member; the arrangement being such that said cap member engages said nozzle so as to entrap and secure said plate member and each of said deflecting members and position said deflecting members relative to said jet forming orifice in a predetermined desired position.

Claim 8

Apparatus as claimed in claim 5 wherein said plate member and said deflecting members are dimensioned relative to the dimensions of said cap member so that the position of said deflecting members and said plate member relative to said jet forming orifice can be changed to any one of a number of different positions.

Claim 9

Apparatus for forming and shaping a high pressure jet of liquid, said apparatus comprising; (a) a nozzle; (b) an orifice in said nozzle through which liquid may pass to form said jet; (c) said orifice having an inlet end for liquid and an outlet end; (d) a pair of deflecting members, each of said deflecting members having an inlet-end facing surface and an outlet-end facing surface, said outlet-end facing surface being configured to form a chisel shaped end region of said deflecting member, which region terminates in a sharp edge; (e) mounting means enabling mounting of said deflecting members relative to said outlet end of said nozzle; (f) the deflecting members being positioned in a jet deflecting position by said mounting means so they are diametrically opposed to each other and so that a portion of each said chisel shaped end region projects into the path of said jet, each said outlet-end facing surface being inclined away from said sharp edge to prevent said jet, as it passes through a restrictive aperture formed by the opposed sharp edges, from adhering, by capillary action, to said deflecting member; (g) securing means for securing each deflecting member relative to said nozzle in said jet deflecting position; and (h) a body member providing location means for said nozzle.

Claim 10

Apparatus for forming and shaping a high pressure jet of liquid, said apparatus comprising; (a) a nozzle; (b) an orifice in said nozzle through which liquid may pass to form said jet; (c) said orifice having an inlet end for liquid and an outlet end; (d) a pair of deflecting members, each of said deflecting members having an inlet-end facing surface and an outlet-end facing surface, said outlet-end facing surface being configured to form a chisel shaped end region of said deflecting member, which region terminates in a sharp edge; (e) mounting means enabling mounting of said deflecting members relative to said outlet end of said nozzle; (f) the deflecting members being positioned in a jet deflecting position by said mounting means so they are diametrically opposed to each other and so that a portion of each said chisel shaped end region projects into the path of said jet, each said outlet-end facing surface being inclined away from said sharp edge to prevent said jet, as it passes through a restrictive aperture formed by the opposed sharp edges, from adhering, by capillary action, to said deflecting member; (g) securing means for securing each deflecting member relative to said nozzle in said jet deflecting position; and (h) a body member providing location means for said nozzle.

Claim 11

Apparatus for deflecting a jet of liquid as claimed in claim 7 wherein said orifice is oval in cross-section from said inlet end to said outlet end.

Claim 12

Apparatus as claimed in claim 1, claim 5, or claim 7 wherein the deflecting members are positioned relative to the jet and interfere therewith so as to cause cavitation in said jet.

Claim 13

Apparatus for forming and shaping a high pressure jet of liquid, said apparatus comprising; (a) a nozzle; (b) an orifice in said nozzle through which liquid may pass to form said jet; (c) said orifice having an inlet end for liquid and an outlet end; (d) a pair of deflecting members, each of said deflecting members having an inlet-end facing surface and an outlet-end facing surface, said outlet-end facing surface being configured to form a chisel shaped end region of said deflecting member, which region terminates in a sharp edge; (e) mounting means enabling mounting of said deflecting members relative to said outlet end of said nozzle; (f) the deflecting members being positioned in a jet deflecting position by said mounting means so they are diametrically opposed to each other and so that a portion of each said chisel shaped end region projects into the path of said jet, each said outlet-end facing surface being inclined away from said sharp edge to prevent said jet, as it passes through a restrictive aperture formed by the opposed sharp edges, from adhering, by capillary action, to said deflecting member; (g) securing means for firmly securing each deflecting member relative to said nozzle in said jet deflecting position; (h) a body part; (i) location means for locating said nozzle in said body part; (j) a cap member threadably locatable on said body part to secure said deflecting members in their jet deflecting position; and (k) a pressure plate situated between said deflecting members and said cap member through which said cap member bears on said deflecting members.

Claim 14

Apparatus for forming and shaping a high pressure jet of liquid, said apparatus comprising; (a) a nozzle; (b) an orifice in said nozzle through which liquid may pass to form said jet; (c) said orifice having an inlet end for liquid and an outlet end; (d) a pair of deflecting members, each of said deflecting members having an inlet-end facing surface and an outlet-end facing surface, said outlet-end facing surface being configured to form a chisel shaped end region of said deflecting member, which region terminates in a sharp edge; (e) mounting means enabling mounting of said deflecting members relative to said outlet end of said nozzle; (f) the deflecting members being positioned in a jet deflecting position by said mounting means so they are diametrically opposed to each other and so that a portion of each said chisel shaped end region projects into the path of said jet, each said outlet-end facing surface being inclined away from said sharp edge to prevent said jet, as it passes through a restrictive aperture formed by the opposed sharp edges, from adhering, by capillary action, to said deflecting member; (g) securing means for firmly securing each deflecting member relative to said nozzle in said jet deflecting position; (h) a body part; (i) location means for locating said nozzle in said body part; (j) a cap member threadably locatable on said body part to secure said deflecting members in their jet deflecting position; and (k) a pressure plate situated between said deflecting members and said cap member through which said cap member bears on said deflecting members.

Claim 15

Apparatus for deflecting a jet of liquid as claimed in claim 1 wherein said orifice is oval in cross-section from said inlet end to said outlet end.