US5525041A — Momemtum transfer pump

Claim 1

Independent Claim 58 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second ends and an inlet and an outlet; and transducer means disposed at said first end for providing a traveling wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum.

Claim 2

Dependent Claim 58 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second ends and an inlet and an outlet; and transducer means disposed at said first end for providing a traveling wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum.

Claim 3

Dependent Claim 19 words

The pump as recited in claim 1, wherein said outlet is disposed at said second end of said chamber.

Claim 4

Dependent Claim 23 words

The pump as recited in claim 1, wherein said transducer means and said outlet of said chamber means being disposed opposite one another.

Claim 5

Dependent Claim 22 words

The pump as recited in claim 1, wherein said chamber means form a nonresonant cavity at the frequency of said transducer means.

Claim 6

Dependent Claim 18 words

The pump as recited in claim 1, wherein the sides of said chamber being devoid of any outlet(s).

Claim 7

Dependent Claim 33 words

The pump as recited in claim 1, wherein said inlet of said chamber means is disposed near said first end of said chamber means whereby said medium is drawn into said chamber means.

Claim 8

Dependent Claim 25 words

The pump as recited in claim 1, further comprising at least one chamber means and at least one transducer means disposed at said first end.

Claim 9

Dependent Claim 19 words

The pump as recited in claim 1, further comprising a plurality of transducer means disposed at said first end.

Claim 10

Dependent Claim 15 words

The pump as recited in claim 1, wherein said chamber means has a cylindrical shape.

Claim 11

Dependent Claim 15 words

A pump as recited in claim 1, wherein said energy wave being a traveling wave.

Claim 12

Dependent Claim 13 words

A pump as recited in claim 1, wherein said energy wave being ultrasound.

Claim 13

Dependent Claim 24 words

A pump as recited in claim 1, wherein said outlet is disposed on the side of the chamber means and near its second end.

Claim 14

Dependent Claim 56 words

A pump as recited in claim 1, wherein said chamber has a longitudinal axis, and wherein said transducer means provides a longitudinal energy wave within said medium which imparts longitudinal momentum in a direction along the longitudinal axis of said chamber means to said medium whereby said medium passes through said outlet by said longitudinal momentum.

Claim 15

Dependent Claim 47 words

A pump as recited in claim 1, wherein said chamber means receives a liquid medium to be pumped and said transducer means provides a wave within said liquid medium which imparts momentum to said liquid medium whereby said liquid medium passes through said outlet by said momentum.

Claim 16

Dependent Claim 70 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second ends and an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said second end of said chamber means has a non-reflecting surface.

Claim 17

Dependent Claim 70 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second ends and an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said second end of said chamber means has a non-reflecting surface.

Claim 18

Dependent Claim 76 words

A pump comprising: a chamber means for receiving a medium to be pump, said chamber having first and second ends and an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said inlet means comprises an acoustic source for providing an acoustic radiation field which emanates acoustic phonons.

Claim 19

Dependent Claim 76 words

A pump comprising: a chamber means for receiving a medium to be pump, said chamber having first and second ends and an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said inlet means comprises an acoustic source for providing an acoustic radiation field which emanates acoustic phonons.

Claim 20

Dependent Claim 117 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second ends and an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, further comprising a tapered guide means disposed within said chamber means for steering or focusing the flow gradient of the medium and the acoustic radiation from said transducer means in a concentrated direction toward said second end of said chamber means whereby the total chamber path length is reduced thereby requiring less momentum for a given medium flow rate.

Claim 21

Dependent Claim 117 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second ends and an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, further comprising a tapered guide means disposed within said chamber means for steering or focusing the flow gradient of the medium and the acoustic radiation from said transducer means in a concentrated direction toward said second end of said chamber means whereby the total chamber path length is reduced thereby requiring less momentum for a given medium flow rate.

Claim 22

Dependent Claim 88 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum, to said medium whereby said medium passes through said outlet by said momentum, wherein said chamber means comprises a wave trap means at its second end which absorbs and cancels any wave energy not completely absorbed by said medium in said chamber means.

Claim 23

Dependent Claim 88 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum, to said medium whereby said medium passes through said outlet by said momentum, wherein said chamber means comprises a wave trap means at its second end which absorbs and cancels any wave energy not completely absorbed by said medium in said chamber means.

Claim 24

Dependent Claim 91 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said transducer means has a parabolic face plane whereby the intensity of the acoustic radiation field is concentrated at a focal point thereby increasing the density of acoustic energy within the medium.

Claim 25

Dependent Claim 91 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said transducer means has a parabolic face plane whereby the intensity of the acoustic radiation field is concentrated at a focal point thereby increasing the density of acoustic energy within the medium.

Claim 26

Dependent Claim 109 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said transducer means comprises a substrate upon which two transducer elements are formed, each of said transducer elements having a parabolic face plane with a different resonant frequency whereby the resultant resonant bandwidth of said two transducer means is greater than the bandwidth of either of the two transducer elements.

Claim 27

Dependent Claim 109 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said transducer means comprises a substrate upon which two transducer elements are formed, each of said transducer elements having a parabolic face plane with a different resonant frequency whereby the resultant resonant bandwidth of said two transducer means is greater than the bandwidth of either of the two transducer elements.

Claim 28

Dependent Claim 78 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, further including a mixing chamber connected to said input port of said chamber means for mixing at least two mediums.

Claim 29

Dependent Claim 78 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, further including a mixing chamber connected to said input port of said chamber means for mixing at least two mediums.

Claim 30

Dependent Claim 83 words

A pump comprising: a chamber means for receiving a medium to be pump, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said transducer means comprises at least two transducer elements disposed in the same plane so as to provide a resultant parallel beam radiation field.

Claim 31

Dependent Claim 83 words

A pump comprising: a chamber means for receiving a medium to be pump, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said transducer means comprises at least two transducer elements disposed in the same plane so as to provide a resultant parallel beam radiation field.

Claim 32

Dependent Claim 83 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said transducer means comprises a plurality of transducer elements disposed in a parabolic plane so as to provide a resultant focused beam radiation field.

Claim 33

Dependent Claim 83 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said transducer means comprises a plurality of transducer elements disposed in a parabolic plane so as to provide a resultant focused beam radiation field.

Claim 34

Dependent Claim 82 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said chamber means comprises a main chamber and at least one auxiliary chamber, said main and auxiliary chambers disposed parallel to one another.

Claim 35

Dependent Claim 82 words

A pump comprising: a chamber means for receiving a medium to be pumped, said chamber having first and second means at an inlet and an outlet; and transducer means disposed at said first end for providing an energy wave within said medium which imparts momentum to said medium whereby said medium passes through said outlet by said momentum, wherein said chamber means comprises a main chamber and at least one auxiliary chamber, said main and auxiliary chambers disposed parallel to one another.

Claim 36

Dependent Claim 48 words

The pump as recited in claim 24, wherein said main chamber includes an energy reflector means and said auxiliary chamber of said main and auxiliary chambers include a pair of energy reflector means, said energy reflector means disposed in the selected corners of said main and auxiliary chambers.

Claim 37

Independent Claim 64 words

A method for pumping a medium, comprising the steps of receiving a medium to be pumped in a chamber having first and second ends, an inlet and an outlet; and providing a traveling wave within said medium at said first end of said chamber, wherein said traveling wave imparts momentum to said medium and wherein said medium passes through said outlet by said momentum.

Claim 38

Independent Claim 64 words

A method for pumping a medium, comprising the steps of receiving a medium to be pumped in a chamber having first and second ends, an inlet and an outlet; and providing a traveling wave within said medium at said first end of said chamber, wherein said traveling wave imparts momentum to said medium and wherein said medium passes through said outlet by said momentum.

Annuity Stage	Window Opens	Payment Deadline	Surcharge Period Until	Estimated Fee	Status
3.5 Years (Year 4)	1999-06-11	1999-12-11	2000-06-11	$2000.00	Window Closed / Lapsed
7.5 Years (Year 8)	2003-06-11	2003-12-11	2004-06-11	$3760.00	Window Closed / Lapsed
11.5 Years (Year 12)	2007-06-11	2007-12-11	2008-06-11	$7700.00	Window Closed / Lapsed

Momemtum transfer pump

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