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Class 137/821 - With pulsed control-input signal


Subclass of Class 137 - Fluid handling
Definition: System wherein at least one of the fluidic devices has control
No. of patents: 13
Last issue date: 02/21/2006


NumberTitleIssue Date
7001438Method for performing submicroliter crystallization experiments with high experiment to experiment precision
A method is provided for forming crystallization experiments for a molecule, the method comprising forming a plurality of crystallization experiments that comprise a molecule to be crystallized and a composition that varies among the plurality of crystallization exp...
02/21/2006
7000638Diverter valve with multiple valve seat rings
A diverter valve includes a valve bore having a set of valve seats associated with each fluid outlet port. Each set of valve seats is at least partially separated from one another by a flow channel. The valve seat configuration increases the impact area for the valv...
02/21/2006
6951575Method for performing high density submicroliter crystallization experiments
A method is provided for performing array microcrystallizations to determine suitable crystallization conditions for a molecule, the method comprising: forming an array of microcrystallizations, each microcrystallization comprising a drop comprising a mother liquor ...
10/04/2005
6932845Method for performing submicroliter crystallization experiments
A method is provided for performing crystallization experiments for a molecule, the method comprising performing a plurality of crystallization experiments where the crystallization experiments have volumes of less than 1 microliter, the crystallization experiments ...
08/23/2005
6911056Method for diffracting crystals formed by submicroliter crystallization experiments
A method is provided for characterizing a crystal structure of a molecule, the method comprising performing a plurality of crystallization experiments where the crystallization experiments have volumes of less than 1 microliter, the crystallization experiments compr...
06/28/2005
6397877Blowdown manifold evacuator for nuclear power plants
A blowdown manifold for a nuclear power plant includes a main conduit section, at least one coolant exhaust conduit, and at least one fluidic device. The main conduit section is connected to a pressure relief system in the nuclear power plant. The coolant...
06/04/2002
5927335Spherical chamber fluidic ball diverter valve
A fluidic ball diverter valve for use in aerospace applications for diverting the output of a fluidic amplifier comprises a valve chamber having an inlet and two outlets. The orientation of the outlet valve seats is such that a line of action between the ...
07/27/1999
5697402Apparatus for melt mixing synthetic polymers
A system for mixing first and second polymer melt flows and directing a mixed polymer melt flow to one and another downstream locations includes a control valve having an inlet port for receiving the first polymer melt flow, and a pair of outlet ports, an...
12/16/1997
4852613Fluidic pump control systems
A control system for a single acting or double acting fluidic pump comprising a detector stage (1), a power amplifiction stage (2) and a primary element stage (3). The detector stage comprises bistable fluidic amplifiers for detecting pressure changes in ...
08/01/1989
4570675Pneumatic signal multiplexer
An invention is disclosed in which a fluidic counter generates fluidic switching signals in response to a fluidic oscillator for sequentially activating a plurality of fluidically activated electrical switches for multiplexing a plurality of electrical co...
02/18/1986
4512371Photofluidic interface
A photofluidic interface that transduces optical control signals into fluid ontrol pressures is provided in which an AC modulated light source is utilized to transmit control signals to a photo acoustic cell that absorbs the light energy and converts it to...
04/23/1985
4313470Fluidic flow arrester
For achieving a shut-off function, a mainstream communicates with a control stream into which an outlet for the mainstream opens laterally. By reciprocating the control stream back and forth across the outlet, for example by alternate pressurisation of re...
02/02/1982
4224964Binary fluidic counter
A binary fluidic counter which produces two outputs, each having a frequency one-half the frequency of the supply. The counter incorporates a pair of bi-stable fluidic amplifiers, the first receiving a pulsed fluid supply while the second receives a conti...
09/30/1980
 
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