| Patent Number |
Title Of Patent |
Date Issued |
| 7100356 |
Heat recovery apparatus with aerodynamic diffusers |
September 5, 2006 |
| A sound attenuating duct unit suitable for connection to an outlet of a gas turbine and an improved heat recovery apparatus for use with such a turbine are disclosed. The former unit includes a duct housing having exterior sides, an air inlet at one end and first and second air outlets. |
| 6920959 |
Inlet and outlet duct units for air supply fan |
July 26, 2005 |
| Duct units for delivery of air to an air supply fan and for connecting this fan to an air heater unit are disclosed. The duct unit for delivering air in one version has a narrow first section, a second, transition-type section and a wide sound attenuating, third section with these three |
| 6880813 |
Outlet silencer for cooling tower, evaporator cooler or condenser |
April 19, 2005 |
| A sound attenuating apparatus for mounting on a heat exchanging apparatus such as a cooling tower, this apparatus having an attenuator housing with vertically extending sides, a top cover and a bottom adapted for mounting on the tower. There is an annular air inlet in the bottom and an a |
| 6802690 |
Outlet silencer structures for turbine |
October 12, 2004 |
| Both air duct inlet silencers and air duct outlet silencers for use with a stationary gas turbine are disclosed. The sound attenuating duct unit suitable for connecting to an outlet of a stationary gas turbine includes a housing having a horizontal housing section and a vertical housing |
| 6688966 |
Air handling unit with supply and exhaust fans |
February 10, 2004 |
| An air handling apparatus for blending outside and return airflow including a housing having exterior side walls, a top and a bottom and containing first and second inlet regions and a mixing chamber. Outside air flows through a first inlet into the first inlet region while return air fl |
| 6547433 |
Air mixing device having series of parallel airflow passages |
April 15, 2003 |
| An air mixer for an air distribution system for a building including a set of fixed, parallel partitions arranged in a spaced-apart manner with one above another, these partitions forming alternating primary and secondary air passageways that are capable of conveying first and second air |
| 6537490 |
Air inlet and outlet silencer structures for turbine |
March 25, 2003 |
| Both air duct inlet silencers and air duct outlet silencers for use with a stationary gas turbine are disclosed. The inlet silencer comprises a vertically extending duct structure having an upper section with a plurality of vertically extending sides and a top cover. Air inlet openin |
| 6241601 |
High efficiency air mixer using jet streams |
June 5, 2001 |
| A mixer for first and second fluids, e.g. fresh air and return air respectively, has an outlet for the first fluid which is contiguous to outlet for the second fluid. A first flap is able to move from a position wherein the fresh air outlet is closed to a position wherein the fresh air |
| 4986170 |
Air handling system |
January 22, 1991 |
| A branch take-off airflow device for use in an air distribution system that includes coaxial input and output ducts and one or more branch ducts having a status pressure regain section and a take-off section that has a central passageway and one or more take-off passageways. Each of the |