143574 ⎘
Rotary-piston pumps specially adapted for elastic fluids of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing; Details specially related to intermeshing engagement type pumps Toothed wheels
COMPLEX SCREW ROTORS
#2SCREW COMPRESSOR WITH MULTI-LAYERED COATING OF THE ROTOR SCREWS
#3LOW COEFFICIENT OF EXPANSION ROTORS FOR VACUUM BOOSTERS
#4LOW COEFFICIENT OF EXPANSION ROTORS FOR BLOWERS
#5COMPLEX SCREW ROTORS
#6ROTARY COMPRESSOR DRIVE LINE
#7SECONDARY AIRFLOW PATHS FOR AIR COMPRESSORS
#8SCREW COMPRESSOR WITH MULTI-LAYERED COATING OF THE ROTOR SCREWS
#9Gear pump with intermeshing gear wheels enclosed by housing with bearing journals arranged on shaft axes and use thereof
#10ROTOR PAIR FOR A COMPRESSION BLOCK OF A SCREW MACHINE
#11Multi-stage screw compressor
#12Rotor assembly, compressor and air conditioner
#13Screw compressor having working chamber closing member to regulate suction working medium flow to a working chamber
#14Working members of a rotary hydraulic or pneumatic machine
#15Low coefficient of expansion rotors for blowers
#16Complex screw rotors having multiple helical profiles joined by a centeral portion with a pocket
#17Geared compressor
#18Low coefficient of expansion rotors for vacuum boosters
#19Screw compressor with multi-layered coating of the rotor screws
#20Dry vacuum pump
#21Electric pump
#22Dry pump for gas and set of a plurality of dry pumps for gas
#23ROTOR PAIR FOR A COMPRESSION BLOCK OF A SCREW MACHINE
#24Screw compressor with male and female rotors
#25Low coefficient of expansion rotors for blowers
#26Rotary fluid flow device
#27Rotor structure of screw compressor and inverter screw compressor with same
#28Low coefficient of expansion rotors for vacuum boosters
#29Complex screw rotors
#30Method to determine the reasonable design area of rotor profile of roots pump and its application
#31STEAM COMPRESSOR COMPRISING A DRY POSITIVE-DISPLACEMENT UNIT AS A SPINDLE COMPRESSOR
#32ELECTRIC PUMP DEVICE AND MOUNTING STRUCTURE OF ELECTRIC PUMP
#33DISPLACEMENT COMPRESSOR SYSTEM FOR R-718
#34Screw compressor with multi-layered coating of the rotor screws
#35Screw compressor including spoked gear
#36Rotor pair for a compression block of a screw machine
#37IMPROVEMENTS IN ROTARY CLAW PUMPS
#38Screw compressor for a utility vehicle
#39Optimized helix angle rotors for roots-style supercharger
#40Multi-stage rotary lobe pump
#41Fluid machine with helically lobed rotors
#42Rotary fluid flow device
#43Rotor polishing device
#44Motor-driven roots pump
#45Screw vacuum pump without internal cooling
#46Method for modifying performance of rotor profile by adjusting meshing line segments
#47Oil-cooled screw compressor
#48Rotor for a compressor
#49Rotary piston pump with a piston formed by a plurality of plates filled with polymer material
#50Rotor for a positive displacement compressor
#51Complex screw rotors
#52Hybrid profile supercharger rotors
#53Sealed rotor assembly for a rotary fluid device
#54Rotor assemblies having radial deformation control members
#55System for monitoring machine fluids by measuring fluctuations in a magnetic field
#56ROTOR PAIR FOR A COMPRESSION BLOCK OF A SCREW MACHINE
#57Internal gear pump
#58Pair of co-operating screw rotors
#59Screw rotor with high lobe count
#60Optimized helix angle rotors for roots-style supercharger
#61Rotor pair for a compression block of a screw machine
#62Claw pump
#63Method for collaboratively constructing column envelope profile of two flanks of star wheel tooth
#64Gear pump bearing dam
#65Control method and control system for screw pump
#66Vacuum pump rotor for a vacuum pump having a roots pumping mechanism
#67Screw pump
#68Low inertia laminated rotor
#69Method of machining a rotor with variable-lead screw
#70Geared hydraulic machine and relative gear wheel
#71Composite supercharger rotors and methods of construction thereof
#72Screw fluid machine, including male and female rotors
#73Fan-shaped rotor set with balance positioning apertures
#74Supercharger
#75Method and pump arrangement for evacuating a chamber
#76Gear pump bearing dam
#77SPINDLE COMPRESSOR
#78Optimized helix angle rotors for roots-style supercharger
#79Reduced noise screw machines
#80Fluid-pressure apparatus with gears having tooth profiles
#81Oil-free screw compressor coated with a base resin, a solid lubricant and a heat-resistant additive
#82Feed unit
#83Selectable flow hydraulic gear pump
#84Method for producing the tooth shape of the inner and outer ring of an annular gear machine and toothed ring produced by means of said method
#85Vacuum pump
#86Single screw compressor with high output
#87SCREW VACUUM PUMP
#88Three-stage screw compressor
#89SCREW PUMP
#90DRY SCREW DRIVER
#91Displacement pump with internal compression
#92Screw compressor
#93Six-blade biaxial rotary positive-displacement pump
#94Screw compressor having a second meshing body with at least one projection non-uniformly arranged with respect to the other projections in circumferential direction
#95Roots fluid machine with reduced gas leakage
#96Multistage roots vacuum pump having different tip radius and meshing clearance from inlet stage to exhaust stage
#97Screw compressor having male and female rotors with profiles generated by enveloping a rack profile
#98Single screw compressor
#99Optimized helix angle rotors for roots-style supercharger
#100Screw pump having varying pitches
#101Screw compressor having a gate rotor assembly with pressure introduction channels
#102Integral rotor noise attenuators
#103Roots type fluid machine
#104Single screw compressor structure
#105Vacuum pump
#106Vacuum pump
#107Supercharger system for motorized vehicles and related transportation
#108Compressor with screw rotor and gate rotor with inclined gate rotor center axis
#109Rotor having a cooling channel and compressor element provided with such rotor
#110Rotary blower with isothermal air jacket
#111Optimized helix angle rotors for Roots-style supercharger
#112SCREW PUMP AND SCREW GEAR
#113Helical screw compressor having a vented sealing arrangement
#114Tapered rotor assemblies for a supercharger
#115Helical screw compressor comprising a cooling jacket
#116Helical Screw Compressor
#117Rotary displacement machines having rotors of asymmetrical profile
#118ROTOR ASSEMBLY AND METHOD OF FORMING
#119Screw pump with improved efficiency of drawing fluid
#120Screw pump with increased volume of fluid to be transferred
#121Screw compressor for working pressures above 80 bar
#122Cooling of pump rotors
#123Composite dry vacuum pump having roots and screw rotor
#124Screw compressor with intermediate plate
#125Screw vacuum pump
#126Roots type fluid machine
#127Scroll fluid machine having an adjustment member with a deformable element
#128Double screw compressor for supplying gas
#129Multistage roots-type vacuum pump
#130Screw rotor and vacuum pump
#131Optimized helix angle rotors for Roots-style supercharger
#132Rotary piston pump
#133Screw vacuum pump with male and female screw rotors having unequal leads
#134Hair treatment method
#135Screw compressor in which the trailing flanks of the lobes of at least one rotor body are beveled at an end surface of the rotor body near the outlet port
#136Twin-shaft vacuum pump and method of forming same
#137Closed system rotary machine
#138Screw pump and method of operating the same
#139Screw compressor-expander machine
#140Device for applying electromagnetic radiation for treatment
#141Screw compressor
#142Screw compressor and method of manufacturing rotors thereof
#143Gapless screw rotor device
#144Screw compressor and method of manufacturing rotors thereof
#145Screw rotor and screw rotor compressor
#146Multistage dry pump
#147Screw compressor and method of manufacturing rotor for the same