Page 11 - Linde - Product catalogue

HIGH PRESSURE HYDROSTATICS | SPU NOISE OPTIMIZATION 11

Noise optimization by Linde Hydraulics. Obvious advan-
tage for driver and environment: Less noise not only
relieves the driver in the cabin, but also construction
workers and residents.

SPU.

Noise optimization by commutation.

Legal emission regulations force manufacturers of mobile Product advantages
machinery to optimize the noise emission of their products.
Since secondary measures tend to be expensive and less — low noise level inside the cabin and outside:
efficient Linde prefers to fight the noise where it is generated: obvious relief for driver and environment
by optimally connecting an additional volume directly next — self-adapting wide scale reduction of pulsation over
to the commutation of the HPR-02 pump, Linde Hydraulics the whole range of operation: independent
invented the SPU silencer. The adaptive SPU reduces flow and of pressure, speed and temperature
pressure pulsations in the regulating pump over the entire — no need of costly measures for additional
range of operation – without loss of power. noise dampening
Compared to a customary variable pump, an HPR-02 with — significantly reduced noise peaks
SPU reduces pulsation level by up to 70 %, independently of — no effect on function and performance
pressure, speed and temperature! The pulsations transmitted — minor increase of weight and mounting space
to system components and machine structure are significantly — simple and robust design
less, making the machine quieter. — immediately usable, maintenance-free