Patents
Sitemap › F15 - Fluid-pressure actuators; Hydraulics or pneumatics in general › F15D - Fluid dynamics, i.e. methods or means for influencing the flow of gases or liquids › F15D 1 - Influencing the flow of fluids
Patents for F15D 1 - Influencing the flow of fluids (5,113)
01/1994
01/05/1994DE4220959A1 Air guidance element for use in flow channel - consists of eddy plates arranged across direction of flow
01/04/1994US5275120 Strum-suppressant cable for towed arrays
12/1993
12/28/1993US5273465 Magnetohydrodynamic boundary layer control system
12/23/1993WO1993025819A1 Orifice system sealing assembly
12/14/1993CA1325185C Gas stream diffusing and distribution apparatus
12/01/1993CN2148208Y Automatic fluid pressure transforming device
11/1993
11/24/1993EP0400079B1 Systems having fixed and variable flow rate control mechanisms
11/23/1993US5263793 Method of and apparatus for controlling turbulence in a wall-bounded fluid flow field
11/04/1993DE4317493A1 Turbulence reduction system for flow surfaces or aircraft or ships' propellers - involves using rotating discs formed integrally with ends of flow surfaces
10/1993
10/19/1993US5254259 Method and apparatus for effecting the transfer of heat or mass through a membrane involving the use of vortices
10/14/1993WO1993020355A1 Streamlined surface
09/1993
09/29/1993CN1022230C Coanda spiral flow unit
09/16/1993DE4207601A1 Liquid purificn. assembly esp. for layer - has spray head with inlets in water pipe or vessel to generate turbulent flow for water feed, eliminating e.g. bacteria, germs, fungi, etc.
09/14/1993US5244937 Stable nonagglomerating aqueous suspensions of oil soluble polymeric friction reducers
08/1993
08/04/1993EP0532697A4 Laminar flow elbow system
07/1993
07/29/1993DE4305688A1 Suspension flow throttling - uses a hollow zone with different cross=section parts for flow resistance to be varied between them
07/27/1993US5230369 Structure to reduce turning losses in angled conduit
07/22/1993DE4200807A1 Motor exhaust gas cleaner - has guide channels into expanded exhaust pipe with flow cross=section equal to exhaust pipe for min. pressure loss
07/14/1993CN1074279A Method of and apparatus for controlling turbulence in a wall-bounded flow field
07/13/1993US5227637 Apparatus for irradiating fluids
07/13/1993CA1320096C Screen and flow regulator assembly
07/08/1993WO1993013321A1 Method and device for laminarization of turbulent flow of continuous medium
06/1993
06/30/1993EP0548396A1 Device for mixing of two gaseous components and burner in which this device is applied
06/29/1993US5222698 Control of boundary layer flow
06/29/1993US5222483 Acoustic pressure pulse generator
06/16/1993CN2136354Y Accelerator for transportation pipe
05/1993
05/26/1993EP0543647A1 Method and apparatus for controlling turbulence in a wall-bounded fluid flow field
05/25/1993US5213138 Mechanism to reduce turning losses in conduits
05/13/1993WO1993009353A1 Method and device for transformation of continuous medium flow
05/12/1993CN2132854Y Vapour-liquid two-phase self-adjustable flow water level controller
05/11/1993CA1317577C Gas flow amplifier
04/1993
04/28/1993EP0538929A1 Flow rectifier
04/26/1993CA2079621A1 Splitter
04/14/1993EP0536874A1 Control of boundary layer flow
04/07/1993CN1070722A Valve and orifice with hydraulic energy damping and corrosion resistance
03/1993
03/30/1993US5197509 Method of reducing fluid turbulence
03/24/1993EP0532697A1 Laminar flow elbow system
03/09/1993CA1314241C Conduits for and method of conducting flammable liquids into underground formations
03/02/1993CA1314041C Vortex ring mixers
12/1992
12/23/1992EP0518972A1 Flow controllers for fluid infusion sets.
12/16/1992EP0393078B1 Device for producing a homogeneous flow of a refrigerant
12/09/1992CN2124339U Jet generator with self-oscillatory cavitation erosion structure
12/01/1992US5167251 Throttle in a hydraulic system
11/1992
11/25/1992EP0299977B1 Fluidic oscillator
11/05/1992EP0518972A4 Flow controllers for fluid infusion sets.
11/03/1992CA1309653C Method for reducing pressure drop in the transportation of drag reducer
11/03/1992CA1309600C Device for producing a homogeneous flow of a refrigerant
10/1992
10/21/1992CN1065415A Combination sprayer
10/20/1992CA2040833A1 Method of preventing formation of hydrates in flowing hydrocarbons under subsea piping of same and a subsea plant for processing of a well to prevent hydrate formation
10/17/1992CA2040596A1 Mixtures of colloidal rod-like viscoelastic fluids and anionic-alkyl containing copolymers
10/14/1992EP0508046A1 Radiation apparatus for liquids
09/1992
09/13/1992CA2038129A1 Vacuum aerodynamic spinning force
09/10/1992DE4107578A1 Continuously variable flow cross=section control for pipe - has combination of round insert body and bundle of wires shaped as broom
09/02/1992EP0500603A1 Valve assembly
08/1992
08/26/1992CN1018018B Controlling motion of fluid jet
08/06/1992DE4111606C1 Fluid flow distribution with flow obstacles - which deflect as diffusion two part-flows orthogonally to total flow direction
07/1992
07/22/1992EP0495417A1 Annuloplasty ring
07/22/1992CN2110737U Pulse jet oscillator
07/02/1992DE4120472A1 Reduction of air flow resistance at car rear - uses delayed boundary layer entrained in flow direction in region of rounded wall sections
07/01/1992EP0493302A1 Mechanism to reduce pressure losses in angled conduits
06/1992
06/24/1992CN2108195U Jet generator with self-oscillation cavitation structure
06/23/1992US5123435 Laminar damper and method of airflow control
06/09/1992CA1303100C Fluidic oscillating nozzle
06/09/1992CA1302841C Diffuser
06/09/1992CA1302839C Manifold for gas from parallel-working units
06/03/1992EP0488631A1 Apparatus for producing plural streams of liquid droplets
06/03/1992EP0487576A1 Method and apparatus for effecting the transfer of heat or mass through a membrane involving the use of vortices.
06/02/1992US5118226 Method for passing a cable, a wire or an optical fiber through a passage
05/1992
05/13/1992CN2104337U Gradually closed spiral gap nozzle drawing unit
05/13/1992CN1060979A Spray propelling atomizer
05/12/1992US5111847 Pneumatic actuator
05/05/1992US5110560 Convoluted diffuser
04/1992
04/30/1992WO1992008059A1 Vortex valves
04/30/1992CA2095246A1 Vortex valves
04/22/1992EP0481573A1 Device for pressure reduction of a gaseous medium
03/1992
03/31/1992US5100242 Mixing fluids
03/31/1992US5099879 Attenuating turbulence in gaseous flow
03/17/1992US5096467 Forming air curtain; pipes with prots that jet-like air streams exit
03/04/1992CN2097920U Injecting flow three-way unit
02/1992
02/25/1992US5090241 Flow rate sensor
01/1992
01/28/1992US5083429 Method of and compression tube for increasing pressure of a flowing gaseous medium, and power machine applying the compression tube
01/15/1992EP0466468A2 Method for controlling turbulence
12/1991
12/24/1991US5074324 Method and apparatus for reducing drag and noise associated with fluid flow in a conduit
12/12/1991DE4034301C1 Appts. for deflecting gas-stream - comprises U=sections placed in entrance of second channel in plane transverse to first channel
12/11/1991CN1056960A Method for passing cable or wire through passage
12/10/1991CA1292931C Patterned, conformable sheet material for drag reduction
12/07/1991WO1991019180A1 Laminar flow elbow system
12/07/1991CA2084682A1 Laminar flow elbow system
12/04/1991CN1056738A Coanda spiral flow unit
12/03/1991US5069403 Applying patterned radiation curable polymer; curing
11/1991
11/27/1991EP0457986A1 Method of passing an elongate flexible element through a passage
11/21/1991EP0456931A1 Coanda spiral flow device
11/20/1991CN1014820B Vortex hoist
11/13/1991EP0403546B1 A device for controlling fluid flow
11/12/1991US5064431 Annuloplasty ring
10/1991
10/29/1991US5060867 Controlling the motion of a fluid jet
10/16/1991EP0452056A1 Pneumatic actuator
10/09/1991EP0450543A1 Structural member with elements for reducing air resistance
10/01/1991US5052442 Device for controlling fluid flow
10/01/1991US5052425 Method and apparatus for continuous removal of a sub-quantity from a gas stream
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