Water heater bottom insulation member
US5180077A · kind A · utility
16Cited by
8References
11Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Apr 27, 1992 |
| Grant date | Jan 19, 1993 |
| Priority date | — |
| Expiry date | Apr 27, 2012 |
Classification
- Technology area (CPC F)Mechanical Engineering; Lighting; Heating
- CPC primaryF24H1/182
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A rigid insulation member fits internally at the bottom end of a water heater having an inner tank with an upwardly concave base and an outer shell separated by an insulation gap from the inner tank. The insulation member has a one piece construction comprising an upwardly convex center portion which mates with the concave base of the inner tank, a peripheral ring which spans the insulation gap and an annular channel between the center portion and the peripheral ring which seats the inner tank of the water heater.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.