Hydraulic torque converter

Claim 2

A hydraulic torque converter comprising an outflow impeller wheel, an inflow turbine wheel and at least one stator wheel arranged in such a manner that a fluid circulating in a closed volume during the rotation of said wheels forms a flow, the outer boundary of the meridional section having a middle line of the stream of said flow describing an outer torus while its inner boundary describes an inner torus; and blades of said impeller and turbine wheels in which the relation of their developed lengths along the outer torus to the developed lengths of the same blades along the inner torus is from 2.15 to 2.85.

Claim 3

A hydraulic torque converter, according to claim 1, wherein the relation of the blade angle along the inner torus at the inlet of the impeller wheel to the same angle along the outer torus ranges from 1.15 to 1.45.

Claim 4

A hydraulic torque converter according to claim 2 wherein the relation of the blade angle along the inner torus at the inlet of the turbine wheel to the blade angle along the outer torus ranges from 0.5 to 0.9.

Claim 5

A hydraulic torque converter according to claim 3, wherein the blade angle at the outlet from the impeller wheel is quite close to constant, while the blade angle at the outlet from the turbine wheel increases from the outer torus to the inner torus by 5* to 10*.

Claim 6

A hydraulic torque converter according to claim 4, wherein the relation of the develoPed lengths of the stator wheel blades along the outer torus to the developed lengths of the same blades along the inner torus is from 1.4 to 2.9.

Claim 7

A hydraulic torque converter comprising an outflow impeller wheel, an inflow turbine wheel and at least one stator wheel arranged so that a fluid circulating in a closed volume during the rotation of said wheels forms a flow, the outer boundary of the meridional section of said flow describing an outer torus while its inner boundary describes an inner torus; blades of said impeller and turbine wheels are generated by the movement of a line along the inner and outer tori so that the relation of the lengths of the sections cut by this generating line on the developed lengths of the blades along the outer torus to the lengths of the sections cut off on the developed lengths of the blades along the inner torus is equal to the relation of the total blade developed length along the outer torus to its developed length along the inner torus.

Claim 8

A hydraulic torque converter comprising an outflow impeller wheel, an inflow turbine wheel and at least one stator wheel arranged so that a fluid circulating in a closed volume during the rotation of said wheels forms a flow, the outer boundary of the meridional section of said flow describing an outer torus while its inner boundary describes an inner torus; blades of said impeller and turbine wheels are generated by the movement of a line along the inner and outer tori so that the relation of the lengths of the sections cut by this generating line on the developed lengths of the blades along the outer torus to the lengths of the sections cut off on the developed lengths of the blades along the inner torus is equal to the relation of the total blade developed length along the outer torus to its developed length along the inner torus.

Claim 9

A hydraulic torque converter comprising an outflow impeller and an inflow turbine wheel arranged so that a fluid circulating in a closed volume during the rotation of said wheels forms a flow, the outer boundary of the meridional section of said flow describing an outer torus while its inner boundary describes an inner torus; said outer torus of the circulation ring shaped in the meridional plane as a circumference in which the relation of its radius to the maximum radius of the circulation ring is 0.317; said inner torus formed by three arcs in which the relations of their center coordinates to the maximum radius of the circulation ring along the axes of abscissae and ordinates are, respectively: 0 and 0.733; 0.00809 and 0.742; 0 and 0.757 while the relations of the radii of said arcs to the maximum radius of the circulation ring are 0.115, 0.126 and 0.106.

Claim 10

A hydraulic torque converter comprising an outflow impeller and an inflow turbine wheel arranged so that a fluid circulating in a closed volume during the rotation of said wheels forms a flow, the outer boundary of the meridional section of said flow describing an outer torus while its inner boundary describes an inner torus; said outer torus of the circulation ring shaped in the meridional plane as a circumference in which the relation of its radius to the maximum radius of the circulation ring is 0.317; said inner torus formed by three arcs in which the relations of their center coordinates to the maximum radius of the circulation ring along the axes of abscissae and ordinates are, respectively: 0 and 0.733; 0.00809 and 0.742; 0 and 0.757 while the relations of the radii of said arcs to the maximum radius of the circulation ring are 0.115, 0.126 and 0.106.

Claim 11

A hydraulic torque converter according to claim 5 wherein the blade angles along the middle line of the stream are within the following limits: inlet angle for the impeller wheel 80 - 150*; outlet angle 75 - 150*; inlet angle for the turbine wheel 35-60*, outlet angle 140- 160*and the numbers of blades of the impeller and turbine wheels are 15- 36 and 15 - 35, respectively.

Claim 12

A hydraulic torque converter with one stator wheel according to claim 5 whose blade angles along the middle line of the stream are within the following limits: inlet angle 60 - 110*, outlet angle 15- 40*, the number of blades 9 - 23.

Claim 13

A hydraulic torque converter with two stator wheels according to claim 5, wherein the blade angles along the middle line of the stream are within the following limits: 115- 135* and 90 - 110* at the inlet and outlet of the 1st stator wheel, respectively: 65- 90* and 15 - 40* at the inlet and outlet of the 2nd stator wheel, respectively; the numbers of blades of the 1st and 2nd stator wheels are 21 - 35 and 17 - 33, respectively.