More-Efficient Regulator Cuts Operating Costs  

Oleh:

Perz, Alfred F.

Jenis: Article from Bulletin/Magazine - ilmiah internasional
Dalam koleksi: Machine Design (Soft Copy ada dalam http://search.proquest.com/) vol. 81 no. 22 (Nov. 2009), page 40.
Topik: Digital Switching Regulator; Conventional Regulator Operating Costs

Ketersediaan

Perpustakaan Pusat (Semanggi) Nomor Panggil: MM44.61 Non-tandon: 1 (dapat dipinjam: 0) Tandon: tidak ada

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Isi artikel

Regulated compressed air is widely used in industry for a number of reasons, safety from electrocution being just one of them. A significant disadvantage, however, is the high cost of regulated air when compared to electricity. Replacing traditional mechanical regulators with digital switching devices is one way to significantly reduce the expense of generating regulated compressed air. First consider how a conventional regulator works. With no system pressure, a spring pushes the diaphragm up and opens the orifice, as shown in the accompanying graphic. Applying input pressure lets gas flow through the open orifice to the load. Output pressure also applies a downward force on the diaphragm, counteracting the spring. Sufficient downward force will close the orifice.

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