ケイ・アール・アンド・ディ (Ｋ．Ｒ＆Ｄ) List of Products and Services

The fully rotating balance-type cylinder device has no mechanical losses caused by the reciprocating motion of the piston that occurs in conventional reciprocating systems. <Features of the Fully Rotating Balance-Type Cylinder Device> ■ No energy loss due to conventional piston motion ■ Operation without water or oil ■ Reduced vibration and noise typically seen in reciprocating systems <Application Fields> ■ Pneumatic compressors (air conditioners, refrigerators, etc.) ■ Vacuum pumps ■ Fluid transfer pumps for gases and liquids ■ Motors utilizing gas pressure and liquid pressure ■ Applications in turbo pumps and turbines ■ Medical equipment sector <Registered Patent Countries> Japan/China/United States/Germany/United Kingdom *If you are concerned about noise reduction or miniaturization, please feel free to contact us or download the catalog.

• cylinder

Since its founding, K・R&D has been guided by the policy of focusing on unique technologies that can obtain "international patents" with world-class capabilities as its core, and has been progressing accordingly.

• DC Motor

The fully rotating balance type cylinder device has no mechanical losses caused by the reciprocating motion of the piston, which occurs in reciprocating systems. <Features of the Fully Rotating Balance Type Cylinder Device> ■ High efficiency ■ Low vibration and low noise (almost no vibration or noise from the piston’s reciprocating motion) ■ Structurally, it can be miniaturized and lightweight due to the effects that arise inevitably from its design. Furthermore, the fully rotating balance type cylinder device shows significant benefits in fields that require high-speed rotation due to its structural and principle-based design. <Application Fields> All areas related to rotary compressors, scroll compressors, screw compressors, and reciprocating compressors are applicable fields. Specific application areas include: ■ Internal combustion engines in general ■ Pneumatic compressors (air conditioners, refrigerators, etc.) ■ Vacuum pumps ■ Fluid transfer pumps for gases and liquids ■ Motors utilizing gas pressure and liquid pressure ■ Applications in turbo pumps and turbines The range of applications is extremely broad. Additionally, applications in the medical device field, where quietness and energy efficiency can be maximized, are anticipated. *For more details, please contact us or download the catalog.

• cylinder