Angle turbine meter

Claim 2

In a turbine meter, a body having oppositely extending hollow arms and an angularly intersecting hollow leg, means on one of said arms providing for coupling said body to an upstream pipeline section, means on said leg coupling said leg to a downstream pipeline section, and means mounting a meter mechanism in said body comprising an internal body member mounted in the other of said arms, a rotor support rigid with said internal body member and extending into said one arm, said rotor support comprising a coaxial hollow extension of said internal body member having an enlarged end portion within said one arm, said end portion having a fixed outer wall and defining an upstream open rotor chamber and an annular flow passage at the downstream side of said chamber, a rotor shaft extending through and rotatably mounted on said support projecting into said chamber, a rotor on said shaft within said chamber having peripheral blades aligned with said annular flow passage, a register mounted on said internal body member externally of said body, and means drive connecting said rotor shaft to said register.

Claim 3

The turbine meter of claim 1 in which the means drive connecting said rotor shaft to said register comprises drive gearing and a magnetic coupling both of which are mounted on said internal body member.

Claim 4

In the turbine meter of claim 1 wherein the means drive connecting said rotor shaft to said register includes a magnetic coupling comprising magnetically coupled driving and driven elements, the driving element being rotatably mounted for rotation with said rotor interiorly of the meter body with respect to said internal body member, the driven element being mounted exteriorly of the Meter body with respect to said internal body member, both of which elements are mounted for rotation on said internal body member.

Claim 5

In a turbine meter, a body having oppositely extending hollow arms and an angularly intersecting hollow leg, means on one of said arms providing for coupling said body to an upstream pipeline section means on said leg coupling said leg to a downstream pipeline section, and means mounting a meter mechanism in said body comprising an internal body member mounted in the other of said arms, a rotor support rigid with said internal body member and extending into said one arm, said rotor support comprising a coaxial hollow extension of said internal body member having an enlarged end portion within said one arm, said end portion defining an upstream open rotor chamber and an annular flow passage at the downstream side of said chamber, a rotor shaft extending through and rotatably mounted on said support projecting into said chamber, a rotor on said shaft within said chamber having peripheral blades aligned with said annular flow passage, a register mounted on said internal body member externally of said body, means drive connecting said rotor shaft to said register, a passage extending substantially the length of said rotor support concentric with the axis of rotation of said shaft and having a diameter larger than said shaft, bearings at either end of said passage for supporting said shaft for rotation in said passage, means for connecting both sides of said bearings to line fluid pressure whereby fluid flow past said bearings is minimized.

Claim 6

In a turbine meter, a body having oppositely extending hollow arms and an angularly intersecting hollow leg, means on one of said arms providing for coupling said body to an upstream pipeline section means on said leg coupling said leg to a downstream pipeline section, and means mounting a meter mechanism in said body comprising an internal body member mounted in the other of said arms, a rotor support rigid with said internal body member and extending into said one arm, said rotor support comprising a coaxial hollow extension of said internal body member having an enlarged end portion within said one arm, said end portion defining an upstream open rotor chamber and an annular flow passage at the downstream side of said chamber, a rotor shaft extending through and rotatably mounted on said support projecting into said chamber, a rotor on said shaft within said chamber having peripheral blades aligned with said annular flow passage, a register mounted on said internal body member externally of said body, means drive connecting said rotor shaft to said register, a passage extending substantially the length of said rotor support concentric with the axis of rotation of said shaft and having a diameter larger than said shaft, bearings at either end of said passage for supporting said shaft for rotation in said passage, means for connecting both sides of said bearings to line fluid pressure whereby fluid flow past said bearings is minimized.

Claim 7

The turbine meter of claim 4 together with filter means in said connecting means for filtering impurities from the line fluid.

Claim 8

In a turbine meter, a body having oppositely extending hollow arms and an angularly intersecting hollow leg, means on one of said arms providing for coupling said body to an upstream pipeline section means on said leg coupling said leg to a downstream pipeline section, and means mounting a water mechanism in said body comprising an internal body member mounted in the other of said arms, a rotor support rigid with said internal body member and extending into said one arm, said rotor support comprising a coaxial hollow extension of said internal body member having an enlarged end portion within said one arm, said end portion defining an upsteam open rotor chamber and an annular flow passage at the downstream side of said chamber, a rotor shaft extending through and rotatably mounted on said support projecting into said chamber, a rotor on said shaft within said chamber having peripheral blades aligned with said annular flow passage, a register mounted on said internal body member externally of said body, a means drive connecting said rotor shaft to said register, said enlarged end portion having an outer cylindrical surface by means of which it is slidably seated within said one arm.

Claim 9

In a turbine meter, a body having oppositely extending hollow arms and an angularly intersecting hollow leg, means on one of said arms providing for coupling said body to an upstream pipeline section means on said leg coupling said leg to a downstream pipeline section, and means mounting a water mechanism in said body comprising an internal body member mounted in the other of said arms, a rotor support rigid with said internal body member and extending into said one arm, said rotor support comprising a coaxial hollow extension of said internal body member having an enlarged end portion within said one arm, said end portion defining an upsteam open rotor chamber and an annular flow passage at the downstream side of said chamber, a rotor shaft extending through and rotatably mounted on said support projecting into said chamber, a rotor on said shaft within said chamber having peripheral blades aligned with said annular flow passage, a register mounted on said internal body member externally of said body, a means drive connecting said rotor shaft to said register, said enlarged end portion having an outer cylindrical surface by means of which it is slidably seated within said one arm.

Claim 10

The meter of claim 6 in which internal body member has an outer cylindrical surface by means of which said internal body member is slidably seated within said other arm, said cylindrical surface being coaxial with and of substantially the same diameter as the outer cylindrical surface on said enlarged end portion.