Article: Parma Mixing Technology from Pelkmans.(Brief Article)

Article: Variable-speed pumping costs more at start, but ...
Air Conditioning, Heating & Refrigeration News;  April 10, 1989 ;     700+ words ...Variable-speed pumping costs more at start, but saves in operations ATLANTA, Ga. - Variable-speed pumping of hot or cold fluids for space ... addressed the pros - and a few cons - of variable-speed pumping at a dinner meeting of the ...

Article: Variable-speed solutions. (Zoning & Air ...
Air Conditioning, Heating & Refrigeration News;  May 26, 2003 ;     700+ words ... ... system specifications includes the use of variable-speed indoor blower motors with a forced-air ... install a zoning system with a residential variable-speed air handler or variable-speed furnace." The confusion behind this statement ...

Article: Exploiting variable-speed drives
InTech;  February 1, 1999 ;     700+ words ... ... provide significant economic benefits. Variable-speed-drive technology varies th, speed ... One of the most common embodiments variable-speed-drive technology is the auton bile ... automobile faster or slower would not be a variable-speed drive application. In fact, this ...

Article: AC Variable-Speed Drives Raise Molding ...
Plastics Technology;  October 1, 2001 ;     700+ words ... ... retrofit AC induction pump motors with variable-speed drive systems in place of the usual ... costs. Those savings arise because the variable-speed pump motor slows during parts of the ... savings," says Dowling. Mulligan says variable-speed drives can benefit processes with cycle ...

Article: Retrofitted variable-speed fans save tower energy. ...
Air Conditioning, Heating & Refrigeration News;  December 21, 1992 ;     700+ words ... ... installation of three 50-hp variable-speed drives serving a 4,500-ton ... decided to install three 50-hp variable-speed drives instead of one large drive. Pulse-width-modulated variable-speed drives were selected because ...

Article: Comparing mechanical variable speed drives.
Plant Engineering;  March 1, 1996 ;     700+ words ... ... most applications A wide variety of variable speed drives are found in a typical manufacturing ... viewed as high-tech, mechanical variable speed drives are still commonly used. These ... durability and maximum uptime. Mechanical variable speed drives are electro-mechanical devices ...

Article: Variable speed control for evaporators.
Frozen Food Digest;  April 1, 1998 ;     700+ words ... ... setpoint and sends out a signal to a variable speed drive which increases or decreases ... there are definitely some advantages of variable speed control over bang bang control. For ... the room. However, if you are using variable speed fans to cool the room, you will be ...