The first commercial microwave oven was nearly 6 feet tall and weighed in at 750 pounds.
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| Number | Title | Issue Date |
| 7942946 | Oil separator with raised holes in perforated tube A gas/oil separator is provided, wherein a pre-separator tube has an upper solid portion, and a lower perforated portion. Holes in the lower perforated portion allow a gas stream to move radially inwardly, and to a downstream filter pack. The holes have a raised por... | 05/17/2011 |
| 7759828 | Integrated electric motor driven compressor A motor driven compressor assembly includes a motor housing having a fluid inlet and a fluid outlet. A motor is disposed within the motor housing and includes a rotor that is coupled to a rotatable shaft and a stator. Several passages fluidly connect the fluid inlet... | 07/20/2010 |
| 7336043 | Transistor matrix switched reluctance variable speed motor drive A multi-phase motor drive includes coil magnets that generate a magnetic field when energized with an electrical current. The coil magnets are configured in an electrical matrix. Switches are arranged in an electrical circuit with the coil magnets. Each coil magnet ... | 02/26/2008 |
| 7334428 | Cooling system for a rotary screw compressor A compressor system has a compression stage, a coolant circuit and a refrigerant circuit. The compression stage compresses ambient air and generates compressed air and heat. A coolant removes heat from the compression stage and the heat is transferred from the coola... | 02/26/2008 |
| 7285882 | Integrated electric motor driven compressor A motor driven compressor assembly includes a motor housing having a fluid inlet and a fluid outlet. A motor is disposed within the motor housing and includes a rotor that is coupled to a rotatable shaft and a stator. Several passages fluidly connect the fluid inlet... | 10/23/2007 |
| 7083393 | Combination sight glass, strainer and orifice A sight glass block for inspecting oil flow through a scavenge line for an oil separation system in a compressor comprises a combination of a sight glass for inspecting the oil flow, a strainer for cleaning the oil flow and an orifice for metering the oil flow in a ... | 08/01/2006 |