Plenum and diffuser for heating, ventilating and air conditioning applications
First Claim
1. For use with a HVAC plenum mounted above an opening in a ceiling, a diffuser having provision for accommodating a ceiling fan or a light fixture, the diffuser comprising:
- a generally planar, integral, circular structure formed of thin, rigid material and having a circumferential outer edge and a central opening surrounded by an integral ring portion, the central opening being dimensioned to accommodate an electrical junction box, and having a plurality of punched out radial fins extending from said ring portion to near said circumferential outer edge, each fin being bent to extend at a common angle to the plane of the structure, a radially extending air slot opening being formed by each punched out fin.
1 Assignment
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Accused Products
Abstract
A plenum and diffuser for use with an HVAC system for distributing air through an opening in a ceiling, the plenum having a large diameter bottom opening by which air is passed through an opening in the ceiling, and having an air inlet opening. A hanger bar extends through the plenum housing over the large diameter opening. A junction box is secured to the hanger bar for supporting a light fixture or ceiling fan. A diffuser is in the form of a planar, circular structure of thin, rigid material having a circumferential outer edge and a central opening dimensioned to accommodate a junction box. The diffuser has a plurality of radially extending fins and a radially extending air slot opening in conjunction with each fin.
68 Citations
8 Claims
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1. For use with a HVAC plenum mounted above an opening in a ceiling, a diffuser having provision for accommodating a ceiling fan or a light fixture, the diffuser comprising:
a generally planar, integral, circular structure formed of thin, rigid material and having a circumferential outer edge and a central opening surrounded by an integral ring portion, the central opening being dimensioned to accommodate an electrical junction box, and having a plurality of punched out radial fins extending from said ring portion to near said circumferential outer edge, each fin being bent to extend at a common angle to the plane of the structure, a radially extending air slot opening being formed by each punched out fin. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
Specification