Portescap in Motion

Motion System Options for HVAC Gas Valve Actuators

Posted by Mahesh Dundage   Feb 21, 2022

Motion System Options for HVAC Gas Valve Actuators

In HVAC systems that provide heat for enclosed spaces, gas and liquid flow must be controlled and metered accurately using sensing and modulating elements such as flow control valves or isolation valves. Some control valves are opened and closed manually at the valve stem, while electronic valves incorporate an actuator to move the stem with control from a motor and drive system. Designers have three motor types to choose from, depending on the application requirements. Here’s a summary of the motion system options:

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Topics: Stepper Motors, brushed DC motors, Portescap, DC motors, motor selection, electric damper actuators, HVAC systems, HVAC, gas and liquid flow, fluid control, linear stepper motors, actuators, HVAC gas valve actuators, position system, rotary motion, linear motion, closed loop positioning

Motion System Selection Considerations for Wheeled Robots

Posted by Pradeep Deshmane   Feb 10, 2022

Motion System Selection Considerations for Wheeled Robots

 As robots become an integral part of our lives in both industry and in our homes, wheeled robots will be at the forefront of the progression. Their motion systems usually consist of brushed or brushless DC motors coupled with compact planetary gearboxes. When selecting a motor and gearbox, you will need to determine both the product’s operating and maximum conditions and confirm the required speed and torque experienced at the wheel output. Here are some tips to consider to help with your selections:  

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Topics: miniature motors, Portescap, motion system, brushless DC motor, BlDC motor, motor selection, motor torque, motor speed, high torque density, motor and gearbox, planetary gearbox, coreless motors, compact motors, long life motors, wheeled robots, brushed DC motor

Key Concepts For Running a Brushed DC Motor as a Generator

Posted by Sunil Kedia   Jan 20, 2022

Key Concepts For Running a Brushed DC Motor as a Generator

Although design engineers know that both brush DC and brushless DC (BLDC) motors can operate as generators, many tend to avoid running a brushed DC motor in generating mode because they believe this strategy is inefficient compared with motor use. Unfortunately, by avoiding using brushed DC motors as a generator, engineers pass up a number of benefits.

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Topics: BLDC Motors, Portescap, driving torque, miniature DC motors, Brushed DC motor as a generator, BLDC motor as a generator, back-EMF, power balance, motor selection, BLDC motor efficiency, DC coreless motors

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