Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00

FMECHANICAL ENGINEERING LIGHTING HEATING WEAPONS BLASTING ENGINES OR PUMPS F04Liquid pumps F04CROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS

F04C15/00Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00

F04C15/0003Sealing arrangements in rotary-piston machines or pumps F04C15/0007Radial sealings for working fluid F04C15/0011of rigid material F04C15/0015of resilient material F04C15/0019Radial sealing elements specially adapted for intermeshing-engagement type machines or pumps F04C15/0023Axial sealings for working fluid F04C15/0026Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps F04C15/003Sealings for working fluid between radially and axially moving parts F04C15/0034for other than the working fluid F04C15/0038Shaft sealings specially adapted for rotary-piston machines or pumps F04C15/0042Systems for the equilibration of forces acting on the machines or pump F04C15/0046Internal leakage control F04C15/0049Equalization of pressure pulses F04C15/0053Venting means for starting F04C15/0057Driving elements, brakes, couplings, transmission specially adapted for machines or pumps F04C15/0061Means for transmitting movement from the prime mover to driven parts of the pump F04C15/0065for eccentric movement F04C15/0069Magnetic couplings F04C15/0073Couplings between rotors and input or output shafts acting by interengaging or mating parts F04C15/0076Fixing rotors on shafts F04C15/008Prime movers F04C15/0084Brakes, braking assemblies F04C15/0088Lubrication F04C15/0092Control systems for the circulation of the lubricant F04C15/0096Heating; Cooling F04C15/06Arrangements for admission or discharge of the working fluid F04C15/062Arrangements for supercharging the working space F04C15/064with inlet and outlet valves specially adapted for rotary or oscillating piston machines or pumps F04C15/066of the non-return type F04C15/068of the elastic type