Inflatable accumulator

Utilize the compression and expansion of sealed gas to store and release the pressure energy of oil. Mainly including gas cylinder type epe bladder accumulator pdf。

There are three types: piston type and airbag type.

(1) Gas cylinder accumulator

Gas and oil come into direct contact in the accumulator, characterized by a large capacity, but under high pressure, gas is easily mixed into the oil, affecting the stability of the system. Suitable for hydraulic systems with medium, low pressure, and high flow rates epoll bladder accumulator。

(2) Piston accumulator

Gas and oil are separated by floating piston 2. It has a simple structure, reliable operation, and is mainly used in high flow situations. Due to the presence of a 0-type sealing ring on the piston, the friction force is high and the response is not very sensitive.

(3) Airbag accumulator

It is currently the most widely used accumulator, mainly composed of an inflation valve, housing, airbag, and oil inlet valve. Gas and oil are separated by airbags, which are filled with inert gas (usually nitrogen). This structure ensures reliable sealing of gas and liquid. The main characteristics are: small inertia, sensitive response, small structural size, and easy installation bladder accumulator en français.