Icemaker liquid refrigerant defrost system
US4185467A · kind A · utility
10Cited by
5References
10Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Nov 18, 1977 |
| Grant date | Jan 29, 1980 |
| Priority date | — |
| Expiry date | Nov 18, 1997 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF25C5/10
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A vertical shell and tube icemaker wherein the refrigerant surrounds tubes within which ice is made, and the freezing refrigerant outlet is positioned below the defrost refrigerant outlet to expedite release of ice during defrosting, the system employing liquid refrigerant obtained by continuous flow from the receiver for defrosting. Water is supplied around the upper ends of the tubes for maintaining a vertical stream flow which is distributed around the inner circumference of each tube.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.