Turbulence plate and stacked disk heat exchanger

Abstract

A turbulence-inducing sheet for a stacked disk heat exchanger may include a plurality of a plurality of parallel rows each including a plurality of wave crests and a plurality of wave troughs alternately adjoining one another in a longitudinal direction of the plurality of rows. Three directly adjacent rows of the plurality of rows may be arranged offset from one another in the longitudinal direction such that the plurality of wave crests and the plurality of wave troughs of the three adjacent rows are arranged on a respectively associated straight line extending obliquely to the longitudinal direction.

1 . A turbulence-inducing sheet for a stacked disk heat exchanger, comprising:
 a plurality of parallel rows each including a plurality of wave crests and a plurality of wave troughs alternately adjoining one another in a longitudinal direction of the plurality of rows;   wherein three directly adjacent rows of the plurality of rows are arranged offset from one another in the longitudinal direction such that the plurality of wave crests and the plurality of wave troughs of the three adjacent rows are arranged on a respectively associated straight line extending obliquely to the longitudinal direction.   
     
     
         2 . The turbulence-inducing sheet according to  claim 1 , wherein the plurality of wave crests and the plurality of wave troughs of all of the plurality of rows are arranged on a respective associated zigzag line extending transversely to the longitudinal direction. 
     
     
         3 . The turbulence-inducing sheet according to  claim 1 , wherein the turbulence-inducing sheet is manufactured via deep drawing. 
     
     
         4 . The turbulence-inducing sheet according to  claim 1 , wherein the turbulence-inducing sheet has a height of 0.9 mm to 1.3 mm. 
     
     
         5 . A stacked disk heat exchanger, comprising:
 a plurality of stacked disks each having a bottom and a peripheral edge; and   a turbulence-inducing sheet according to  claim 1  arranged between the bottom and the peripheral edge of an associated disk of the plurality of stacked disks.   
     
     
         6 . The stacked disk heat exchanger according to  claim 5 , wherein:
 the plurality of stacked disks each include an inlet opening and an outlet opening disposed in the bottom, the inlet opening and the outlet opening each having a parallelogram like shape with two long sides, two short sides, and a plurality of rounded transitions between the two long sides to the two short sides;   the two long sides are arranged at an angle to each other; and   the plurality of stacked disks each have a plurality of nubs that project at least one of inwards and outwards from the bottom.   
     
     
         7 . The stacked disk heat exchanger according to  claim 5 , wherein:
 the plurality of stacked disks each include an inlet opening and an associated outlet opening that are oval in shape; and   the plurality of stacked disks each further include a plurality of nubs that protrude at least one of inwards and outwards from the bottom.   
     
     
         8 . The stacked disk heat exchanger according to  claim 5 , further comprising a further turbulence-inducing sheet, wherein:
 the stacked disk heat exchanger is an oil-coolant heat exchanger with a coolant side and an oil side; and   the turbulence-inducing sheet is arranged on the coolant side and the further turbulence-inducing sheet is arranged on the oil side.   
     
     
         9 . The stacked disk heat exchanger according to  claim 8 , wherein:
 the plurality of stacked disks each include an inlet opening and an associated outlet opening that are oval in shape;   the plurality of stacked disks each further include a plurality of nubs that protrude at least one of inwards and outwards from the bottom; and   the further turbulence-inducing sheet surrounds the inlet opening and the outlet opening of at least one disk of the plurality of stacked disks.   
     
     
         10 . The stacked disk heat exchanger according to  claim 8 , wherein the further turbulence-inducing sheet has a height of 2.9 mm to 3.1 mm. 
     
     
         11 . The stacked disk heat exchanger according to  claim 8 , wherein:
 the plurality of stacked disks each further include a plurality of nubs that protrude at least one of inwards and outwards from the bottom; and   the further turbulence-inducing sheet includes a plurality of recesses engaged with the plurality of nubs of at least one disk of the plurality of stacked disks fixing the further turbulence-inducing sheet and the at least one disk together.   
     
     
         12 . The stacked disk heat exchanger according to  claim 5 , wherein the plurality of stacked disks each have a wall thickness of approximately 0.4 mm. 
     
     
         13 . The stacked disk heat exchanger according to  claim 5 , wherein:
 the plurality of stacked disks each further include a plurality of nubs that protrude at least one of inwards and outwards from the bottom; and   the turbulence-inducing sheet includes a plurality of recesses engaged with the plurality of nubs of at least one disk of the plurality of stacked disks fixing the turbulence-inducing sheet and the at least one disk together.   
     
     
         14 . The stacked disk heat exchanger according to  claim 8 , wherein the further turbulence-inducing sheet has a material thickness of approximately 0.2 mm. 
     
     
         15 . The stacked disk heat exchanger according to  claim 10 , wherein the further turbulence-inducing sheet has a height of approximately 3.0 mm. 
     
     
         16 . The turbulence-inducing sheet according to  claim 1 , further comprising a plurality of recesses configured to receive and engage a plurality of nubs of at least one disk of the stacked disk heat exchanger to couple the turbulence-inducing sheet and the at least one disk together. 
     
     
         17 . The turbulence-inducing sheet according to  claim 1 , wherein the turbulence-inducing sheet has a material thickness of approximately 0.1 mm. 
     
     
         18 . The turbulence-inducing sheet according to  claim 4 , wherein the turbulence-inducing sheet has a height of approximately 1.1 mm. 
     
     
         19 . A turbulence-inducing sheet for a stacked disk heat exchanger, comprising a plurality of parallel rows extending in a longitudinal direction, wherein:
 each of the plurality of rows include a plurality of wave crests and a plurality of wave troughs alternately adjoining one another in the longitudinal direction;   the plurality of wave crests include a first wave crest, a second wave crest, and a third wave crest;   the plurality of wave troughs include a first wave trough and a second wave trough;   a set of directly adjacent rows of the plurality of rows are arranged offset from one another in the longitudinal direction such that:
 the first wave crests of the adjacent rows are arranged along a first imaginary straight line extending obliquely to the longitudinal direction; 
 the first wave troughs of the adjacent rows are arranged along a second imaginary straight line extending obliquely to the longitudinal direction; 
 the second wave crests of the adjacent rows are arranged along a third imaginary straight line extending obliquely to the longitudinal direction; 
 the second wave troughs of the adjacent rows are arranged along a fourth imaginary straight line extending obliquely to the longitudinal direction; and 
 the third wave crests of the adjacent rows are arranged along a fifth imaginary straight line extending obliquely to the longitudinal direction. 
   
     
     
         20 . The turbulence-inducing sheet according to  claim 19 , wherein the first wave crests, the first wave troughs, the second wave crests, the second wave troughs, and the third wave crests of the plurality of rows are each arranged to define a respective zigzag line extending transversely to the longitudinal direction.