molecular pump

molecular pump

[mə′lek·yə·lər ′pəmp]
(mechanical engineering)
A vacuum pump in which the molecules of the gas to be exhausted are carried away by the friction between them and a rapidly revolving disk or drum.
References in periodicals archive ?
Vacuum exhaust system: Turbo molecular pump, Rotary pump
Thus, a critical piece of the molecular pump was unknown--the protein that moves the sucrose to the inside of the plant's leaf cell walls.
A molecular pump designed to transport iodine also concentrates the pollutant perchlorate in breast milk, scientists have shown.
The evidence in fact shows that several flagellar proteins once functioned as part of a molecular pump in the bacterial cell's membrane.
It uses a hydrogel polymer that "acts like a molecular pump to infuse water, saline, or medicaments into a wound site while also acting like a molecular sponge to remove exudates," Polymer Solutions explains.
At Pittcon, Pfeiffer Vacuum introduced the FIELDVAC system, a lightweight, portable vacuum system featuring a turbo molecular pump and a diaphragm pump using 24 volts of power.
Scientists have worked out the structure of a molecular pump which cancer cells use to "bail out" toxic chemicals.
Tenders are invited for Repair And Service Of Turbo Molecular Pump Tmh071p Diaphragm Vacuum Pump Mvp 015-2 At Crdc Gr.
Headquarters: Chigasaki, Kanagawa; President and CEO: Hisaharu Obinata; hereafter referred to as ULVAC) is pleased to announce that the company will launch the ceramic ball bearing type turbo molecular pump, UTM300B with 280L/s pumping speed on October 1st, 2014.
6) A standard turbo molecular pump (TMP) on the HT7700 allows for a clean vacuum environment.
Acquisition of a gas chromatograph coupled to a single quadrupole mass spectrometer and accessories (automatic injector Split / Splitless, capillary column, source chemical ionization, electron impact source, backing pump, turbo molecular pump for high vacuum, computer and data acquisition software, NIST spectral library).
Magnetic bearing type integrated turbo molecular pump

Full browser ?