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  • Single-Controllable-Switch-Based Switched Reluctance Motor Drive for Low Cost, Variable-Speed Applications
    ...features, the new drive system offers a viable alternative to conventional fixed-speed brush-commutator motors and variable-speed permanent magnet brushless dc motor drives in many high volume applications in the low... ...categories such as fans, blowers , hand tools, and small...
  • Single-controllable-switch-based switched reluctance motor drive for low-cost variable- speed applications
    ...features, the new drive system offers a viable alternative for conventional fixed speed brush-commutator motors and variable- speed permanent magnet brushless dc motor drives in many high volume applications in the low... ...categories such as fans, blowers , hand tools and home...
  • Integration of Alternative Sources of Energy
    Ac output power (kW) Ac output voltage (V) Dc voltage (V) Temperature of the membrane ( C) Normal... Most of the head of series consist of a low-pressure, high - volume air blower to supply the oxidizer.
  • USA - California - Proposed Amendments to Appliance Efficiency Regulations - Federal Updates and Clarifications to Existing Regulations: 45-Day Language
    ...heater�? means a device using the vapor compression cycle to transfer heat from a low-\ntemperature source to a higher temperature sink for the... ...all necessary\nancillary equipment, fans, blowers , pumps, storage tanks, piping... ...has a measured storage volume no greater than\n1.0... ...of the motor's\nmaximum rotation rate.\n“Electronically commutated motor (ECM)�? means a brushless DC motor that utilizes...
  • USA - California - Proposed Amendments to Appliance Efficiency Regulations, 15-Day
    ...water heater�? means a device using the vapor compression cycle to transfer\nheat from a low-temperature source to a higher temperature sink for the... ...necessary ancillary equipment, fans, blowers , pumps, storage tanks,\npiping... ...that has a measured\nstorage volume more than 1.0... ...the motor’s maximum rotation rate.\n“Electronically commutated motor (ECM)�? means a brushless DC motor that utilizes...
  • California Code of Regulations, Title 20, Sections 1601 through 1608.
    ...water heater�? means a device using the vapor compression cycle to transfer heat from a\nlow-temperature source to a higher temperature sink for the... ...all\nnecessary ancillary equipment, fans, blowers , pumps, storage tanks, piping... ...has a measured storage volume no\ngreater than 1.0... ...the\nmotor’s maximum rotation rate.\n","“Electronically commutated motor (ECM)�? means a brushless DC motor that utilizes...
  • USA - California - California 2009 Appliance Efficiency Regulations
    ...water heater�? means a device using the vapor compression cycle to transfer heat\nfrom a low-temperature source to a higher temperature sink for the... ...necessary ancillary equipment, fans, blowers , pumps, storage tanks, piping... ...that has a measured\nstorage volume more than 1.0... ...the motor’s maximum rotation rate.\n“Electronically commutated motor (ECM)�? means a brushless DC motor that utilizes...
  • Integrated auxiliary drives for fuel cell vehicles
    ...dc-dc converters dynamic response, allows fast motor drive response while regulating the common dc bus voltage. The integrated motor drive unit was designed for the fuel cell cathode air blower and the water pump for United Technologies 120kW self contained... ...the same auxiliary motors for blower and pump with much higher efficiency and lower cost, weight and volume .
  • Coaxial CO2 lasers
    Since DC discharges are operated at pressures below 100 hPa large volume rates are required for high laser powers. In FAF devices roots blowers had to be used to overcome the high pressure drop across the...
  • A 300 Hz TEA CO2 Laser
    A new CO2 laser design for application in the plastic industry was reported in [11]; it consists of three parts: metal chamber 1, modulator 2, and 15 kV DC high -voltage power supply 3. The metal chamber, of volume 160 liters, has three sections: on the right-hand side of the chamber there is a blower with 4500 rpm that produces a gas flow with a 13 m/s gas velocity between the electrodes.
  • A New Anisotropic Bonded NdFeB Permanent Magnet and Its Application to a Small DC Motor
    DIRECT current ( dc ) motors employing sintered ferrite magnets (PMs) have, so far, been widely used in au- tomotive applications such as the seat, blower , and sunroof. These days, PM motors are required to have higher efficiency for energy saving, better performance with smaller volume and lighter weight, and even higher power density.
  • Cogging torque analysis of interior-type permanent-magnet brushless DC motor used in washers
    In recent years, permanent-magnet brushless (BL) DC motors have wide usage areas such as home appliance: washers, dryers; in automotive: fans, pumps and blowers etc. Some advantages of this machine can be listed as their high performance, high relation of torque/ volume , capability at high speed applications, electronic driven commutation.
  • A Rolling Process Applied on the Manufacturing of Precision Cold Formed Metal Motor Housings
    This process guarantees a high precision on the inner diameter and can be applied on small and large production volumes . ...the external case of many kind of electrical motor (fig. 1): a wide range of them, mostly used in the Automotive and in the Industrial business, are 12V DC -AC motors used for... ...applications as fans or blowers , starting or moving devices...
  • Foreword
    Some of them are: VAR compensators, active power filters, switch mode rectifiers, space and uninterruptible power supplies, industrial fans, blowers , compressors, steel rolling mills,paper and textile... ...electric vehicles, electric and diesel electric traction, high voltage dc transmission, induction heating, electrolysis... ...to improvement of efficiency and performance, reliability, and power qual- ity, reduction in volume and weight, and...
  • Fuel cell power systems for remote applications. Phase 1 final report and business plan
    The fuel cell subsystems include a 1ow pressure, high volume air blower to provide the oxidant feed, and a water circulation syste/ for cooling the stack and humidifying the incoming alr and reformate streams. The electrical output of the fuel cell will be conditioned by a DC /DC voltage converter to...