C&U Bearing 22224CC

09/07/2020

Ten points to judge the pros and cons of inverter products!

The technical grade of the frequency converter is gradually developed and formed. With the improvement of use requirements and the development of technology, the quality of the device, the expansion of functions, and the progress of automation technology, it will gradually advance.

01/16/2023

What is a Variable Valve Timing Solenoid?

The variable valve timing (VVT) solenoid is a component of the variable valve timing system. It adjusts oil flow based on engine speed and load.

06/14/2020

The weather turns hot Avoid the risk of epidemic spread due to the use of air conditioning

The weather turns hot: Avoid the risk of epidemic spread due to the use of air conditioning According to the press conference of the 108th New Coronary Pneumonia Epidemic Prevention and Control in Beijing on May 18, 2020, 33 patients with concentrated feﰸ2䀀
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07/17/2020

Emerson Copeland Compressor

After the compressor of the refrigeration system is used for a period of time, the Emerson Copeland compressor system will reduce the refrigeration oil in the oil return system and natural loss of the Copeland compressor when it is running, so it is necessary to add refrigeration to the compressor after a period of time. oily.

07/30/2020

Various problems that may occur in central air conditioning

Many users will encounter various problems in the process of using central air-conditioning, such as noise, uncooled heat, power consumption, etc. Among them, nothing is more serious than air-conditioning leakage,

08/16/2020

Analysis of development obstacles and related factors of hydrodynamic energy-saving cooling water towers

According to industry insiders from energy-saving cooling tower manufacturers, according to the relative flow of water and air in the filler, energy-saving cooling towers are divided into two types, counter-flow and cross-flow, with round and square shapes.

09/02/2024

What Are the Commonly Used Refrigerants in Refrigerators and Cold Storage?

There are more than 80 kinds of substances that can be used as refrigerants. Do you know which are the commonly used refrigerants for refrigerators / freezers and cold storage, and what are the selection principles?

07/07/2020

Earth Hour: Hitachi Central Air Conditioner works with you to speak for the earth

11/21/2024

Types of EGR Valves with Working Principle Diagrams

The EGR (Exhaust Gas Recirculation) valve is a device used to reduce diesel engine emissions. It can send part of the exhaust gas back into the intake passage, thereby reducing the generation of nitrogen oxides (NOx).

06/14/2020

Top 3 Applications for a Servo Motor

Servo motors are essentially electric motors with inbuilt motor