Mobile Hydraulic Systems: The Search For Efficiency

As the price of fuel goes up, the capability to save money with mobile hydraulic systems similarly increases. But not all systems are made equal. Where can the most efficiency be found?

Let’s start by considering an incessant flow system. These are awfully cheap and easy to maintain. They maintain low maximum system pressure in automobiles like trucks, tractors, apparatus and cranes. In this system, the more flow you use the more efficient the system becomes.

There’s also the choice of recurring pressure system. Here you reap the benefit of a fast response time. You get fast results courtesy of a constantly pressurised system. This type of hydraulics appear in apparatus for maintaining railroads. Here the more pressure the larger the efficiency. Both the incessant flow systems and the continued pressure systems have direct proportions for potency (to paraphrase if you use 30 % pressure you get 30 p.c efficiency).

A third sort of hydraulic system is called load-sense. Even though it isn’t used anywhere as often as recurring flow and repeated pressure, they are extremely efficient re energy. It does this by conquering load resistance. The main downsides to the load sensing system is that they are complex, dear and need specifically trained technicians for maintenance and repairs. Nevertheless, it is typically more effective than either the constant pressure or sustained flow.

Load sensing symptoms deliver both variable flow and pressure, making them the hackneyed stepchild of both constant pressure and flow. This implies that the sensor can actually recognize how much pressure and flow is required at any particular moment. In turn the load sensing system uses h.p more efficiently, offering fuel use and lower system heat.

Compared to the flow model, the load sense system scores best under high pressure with medium flows. It also outperforms controlled pressure systems up to 3,800 psi.
Note that all 3 of these options loose some efficiency during standby power usage. There are methods to limit that depending on the sort of mobile system.

Todd Smith, owner of PSIF, distributes hydraulic products like a hydraulic control valves. Power Systems Incorporated of Florida has been about since 1983.