Variable frequency dewatering assembly

An assembly for a papermaking apparatus, comprising:

• two or more sets of dewatering elements, the dewatering elements of at least one set comprising at least one foil beam at least and one table roll;
• and
• an actuating mechanism operable to laterally move the dewatering elements relative to each other to provide a pitch distance X between each dewatering element, and to provide a distance that is an integer multiple of the pitch distance X between a dewatering element of a first set and an adjacent dewatering element of a second set.

An assembly for a papermaking apparatus, comprising:

• at least first and second sets of dewatering elements, each set comprising at least two dewatering elements mounted on a support, and an actuating mechanism connecting the at least two dewatering elements and the sets of dewatering elements, the actuating mechanism operable to alter pitch distance between the dewatering elements whereby the dewatering elements are substantially equidistant relative to each other, and the sets of dewatering elements are spaced apart at an integer multiple of the distance between the dewatering elements.

An assembly for a papermaking apparatus, comprising:

• at least first and second sets of dewatering elements, each set comprising at least a first and second dewatering element mounted on a support, and an actuating mechanism connecting the dewatering elements and the sets of dewatering elements, the actuating mechanism operable to laterally move and space apart the dewatering elements by a standard interval, and to laterally move at least one of the sets of dewatering elements to space apart the sets by an integer multiple of the standard interval.

An assembly for a papermaking apparatus, comprising:

• first and second sets of dewatering elements, each set comprising at least two dewatering elements supported on a rail system, the dewatering elements of at least one set comprising at least one foil beam and at least one table roll;
• and
• a mechanism operable to move at least one dewatering element of the first set to alter a pitch distance between two dewatering elements of the first set by a distance X, and to move a dewatering element of the second set relative to the first set to alter an interset distance between the first and second sets by an integer multiple of distance X.

In an apparatus comprising a two or more sets of dewatering elements, each set comprising a plurality of dewatering elements mounted on a support, a mechanism to alter the pitch distance between individual dewatering elements of the sets whereby the individual dewatering elements are maintained at a distance X relative to each other, and to alter the distance between adjacent sets to maintain the distance as an integer multiple of the distance X of the dewatering elements.

In a dewatering assembly comprising a two or more sets of dewatering elements with each set comprising a plurality of dewatering elements each being mounted on a support, a mechanism for adjusting the frequency of the assembly, the mechanism connected to the dewatering elements and operating to alter pitch distance between individual dewatering elements of the set to maintain the elements substantially equally spaced relative to each other, and connected to the sets and operating to alter the distance between the sets to an interset distance as an integer multiple of the spacing.

A foil beam assembly, comprising:

• at least a first and a second foil beam set, each foil beam set comprising a plurality of foil beams;
• and
• an actuating mechanism operable to laterally move the foil beams to space apart the foil beams by a standard interval, and to laterally move at least one of the foil beam sets to space apart the foil beam sets by an integer multiple of the standard interval.

A foil assembly, comprising:

• at least a first and a second foil set, each foil set comprising a plurality of foil elements;
• and
• an actuating mechanism operable to laterally move the foil elements to space apart the foil elements by a standard interval, and to laterally move at least one of the foil elements sets to space apart the foil sets by an integer multiple of the standard interval.

A foil assembly, comprising:

• at least a first and a second foil set, each foil set comprising a plurality of foil elements, at least one foil element comprising a unitary structure comprising two wire-contacting surfaces spaced apart by a standard interval with a drainage section therebetween;
• and
• an actuating mechanism operable to laterally move the foil elements to space apart the foil elements by the standard interval, and to laterally move at least one of the foil elements sets to space apart the foil sets by an integer multiple of the standard interval.

An assembly for dewatering in a papermaking apparatus, comprising:

• at least a first and a second set of dewatering elements, each set comprising at least one foil element comprising a unitary structure comprising two wire-contacting surfaces spaced apart by a standard interval with a drainage section therebetween;
• and
• an actuating mechanism operable to laterally move the dewatering elements to space apart the dewatering elements by the standard interval, and to laterally move at least one of the dewatering elements sets to space apart the sets by an integer multiple of the standard interval.

An assembly for dewatering in a papermaking apparatus, comprising:

• at least first and second sets of dewatering elements, at least one set comprising at least one adjustable angle foil;
• and
• an actuating mechanism operable to laterally move the dewatering elements to space apart the dewatering elements by the standard interval, and to laterally move at least one of the dewatering elements sets to space apart the sets by an integer multiple of the standard interval.

A method of varying the frequency of a set of dewatering elements, comprising the steps of:

• providing at least a first and second set of dewatering elements, each set comprising two or more dewatering elements mounted on a support structure, and an actuating mechanism interconnecting the dewatering elements and the sets, the actuating mechanism structured to laterally move the dewatering elements relative to each other and to laterally move the sets relative to each other;
• and
• actuating the actuating mechanism to laterally move the dewatering elements relative to each other to distance X and foil beams to alter the distance there between and maintain the foil beams at a distance X and to laterally move the sets relative to each other to a distance as an integer multiple of the distance X.