Acoustic cooling device with coldhead and resonant driver separated
AssigneeClever Fellows Innovation Consortium, Inc.
InventorsPhilip S. Spoor, John A. Corey
Life of this patent
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Abstract
An acoustic cooling device is provided. A coldhead and an acoustic power source of the acoustic cooling device are separated by way of a long tube connecting them to enable the cold tip to be installed in a remote location where a traditional unitary system would not fit, would generate too much vibration, or would be otherwise undesirable. The dimensions of the tube and the relevant parameters of the acoustic power source are selected to keep the system resonant at the desired drive frequency (e.g., 60 Hz) and to minimize the impact of the long tube on the system efficiency and capacity.
Claims28
An acoustic Stirling cooling device with a working fluid oscillating at an operating frequency, the cooling device comprising:
- an acoustic power source;
- and
- a first acoustic cooling head,
- wherein the acoustic power source and the first acoustic cooling head are connected by a first transfer line, a length of the first transfer line being at least 0.15 of a quarter wavelength in the working fluid at the operating frequency.
A chilled storage system, the chilled storage system comprising:
- a chamber;
- and
- an acoustic Stirling cooling device with a working fluid oscillating at an operating frequency, the acoustic cooling device including an acoustic power source and a first acoustic cooling head connected by a first transfer line, a length of the first transfer line being at least 0.15 of a quarter wavelength in the working fluid at the operating frequency;
- wherein the first acoustic cooling head is in direct thermal communication with an interior of the chamber, and the acoustic power source is remotely located outside the chamber.
Dependencies are inferred from the claim text.