Pool cover having solar energy heating feature
US4103368A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jul 12, 1976 |
| Grant date | Aug 1, 1978 |
| Priority date | — |
| Expiry date | Jul 12, 1996 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E10/44
- WIPO fieldThermal processes and apparatus
- WIPO sectorMechanical engineering
Abstract
A pool cover having solar energy heating capability is provided comprising sheet material adapted to furl about a reelless locus in a storage position and to be deployed in an extended position. The cover includes means continuously resiliently urging the sheet material into its furled position for storage, and means selectively overcoming and resisting said urging, comprising inflatable structure selectively inflated in sheet material deploying relation. The cover includes a wall portion responsive to solar energy to transfer heat to water, such as pool water, in contact therewith.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.