Electrostatic precipitators
US4666474A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Aug 11, 1986 |
| Grant date | May 19, 1987 |
| Priority date | — |
| Expiry date | Aug 11, 2006 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB03C3/41
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
An electrostatic precipitator is provided comprising a plurality of spaced apart vertically extending collector plates with an array of vertically extending ionizer wire rods disposed in a space between each of the collector plates. The improvement resides in an ionizer wire rod construction made of a heat resistant alloy, one end portion of which terminates into a plurality of closely packed helically formed loops. The size of the loops as a unit is sufficient to hook onto and freely hang from a connecting portion of an ionizer frame, the other end portion of the rod being also helically formed into a plurality of closely packed loops which are coupled as a unit to an end loop of a helically and tightly wound coil spring of a heat-resistant alloy. The tightly wound coil spring comprises a plurality of active turns, with each active turn adjacently touching the other in the unstretched condition, the coil spring being cylindrically shaped and having a length such as to provide a tension on the ionizer wire of at least about 30 pounds when substantially the total length of the cylindrical coil is activated by stretching to provide and maintain said tension, the coil spring having a …
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.