US 11,698,216 B2
Refrigeration system with enveloping air circulation around product chamber
Kevin Herrera Blackwood, Summerville, SC (US); Teddy Glen Bostic, Jr., Summerville, SC (US); Gloria Christine Corrine Welther Burchett, Moncks Corner, SC (US); Mark Andrew James, Goose Creek, SC (US); Jonathan Matthew Kolaski, Ridgeville, SC (US); Jeffrey Alan Madill, Summerville, SC (US); and John Lee Warder, Summerville, SC (US)
Assigned to Standex International Corporation, Salem, NH (US)
Filed by STANDEX INTERNATIONAL CORPORATION, Salem, NH (US)
Filed on Jan. 31, 2022, as Appl. No. 17/588,463.
Claims priority of provisional application 63/147,466, filed on Feb. 9, 2021.
Prior Publication US 2022/0252324 A1, Aug. 11, 2022
Int. Cl. F25D 17/06 (2006.01); F25B 13/00 (2006.01)
CPC F25D 17/062 (2013.01) [F25B 13/00 (2013.01)] 17 Claims
OG exemplary drawing
 
1. A refrigeration system comprising:
a storage chamber configured to store a product at a predetermined temperature, the storage chamber defined by an inner wall, the inner wall at least partially defining an air plenum, the inner wall including an opening wall surface, a floor surface, a rear wall surface and a ceiling wall surface;
a refrigerant circuit including a compressor, a condenser, a condenser fan, an evaporator and an evaporator fan arranged and disposed in an operable configuration to provide refrigeration to the storage chamber;
wherein the air plenum includes a conduit arranged and disposed to convey air from an air inlet across the evaporator and into a discharge chamber and out an air outlet, the air outlet being configured to discharge cooled air in a direction toward the opening wall surface and being positioned at the top of the storage chamber no farther than 12 inches from the opening wall surface and no closer than ½ inch from opening wall surface.