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| Number | Title | Issue Date |
| 7434621 | System and a method for prediction and treatment of slugs being formed in a flow line or wellbore tubing A system and a method for prediction and treatment of all kinds of slugs being formed in a flow line system or wellbore tubing transporting a multiphase fluid towards a downstream process including a separator or a slug catcher at the process inlet. The system inclu... | 10/14/2008 |
| 7243673 | Gas injection device The subject invention is related to a gas injection device with back-flow leaking liquid discharge, comprising a chamber, a gas inlet conduit, a gas outlet conduit, and a liquid discharging conduit, wherein the gas outlet conduit and the liquid discharging conduit a... | 07/17/2007 |
| 6588443 | Method of draining condensate and condensate drain device The invention relates to a method of draining condensate from a reservoir that communicates with a trap via a drain pipe. The reservoir is subjected to a gas pressure p(reservoir) that can be below atmospheric pressure p(air) or above atmospheric pressure... | 07/08/2003 |
| 6402820 | Fluidic level control systems A system for separating a liquid and a gas including a separation vessel (30) with an inlet (28) for a gas/liquid mixture. Outlets (40, 42) for the fluids are disposed at different heights in the vessel. The outlets are controlled by turn-up vortex amplif... | 06/11/2002 |
| 6390114 | Method and apparatus for suppressing and controlling slugflow in a multi-phase fluid stream Disclosed is a method for suppressing and controlling liquid slugs and gas surges in a stream of multiphase fluid flowing from a flowline into a gas/liquid separator having a liquid outlet with a liquid flow control valve, and a gas outlet with a gas flow... | 05/21/2002 |
| 6279593 | Electric steam trap system and method of draining condensate A proactive electronic steam trap device, system, and method of removing condensate from a steam plant is disclosed. The device ensures a controlled drainage of condensate to maintain condensate level within a control band. The basic invention comprises a... | 08/28/2001 |
| 6276894 | Method and device for drawing condensate off from compressed-gas systems A method for draining condensate off a compressed-gas system that traps condensate that collects during operation of the compressed-gas system, draws off collected condensate through an outlet, connects a trap volume and a purging device to the outlet, co... | 08/21/2001 |
| 6206025 | Device and method for removing condensate from gas pressure systems The present invention relates to a device for removing condensate from gas pressure systems, especially dry-pipe systems having a condensate collector in which condensate accumulates when the gas pressure system is in operation, the collector being provid... | 03/27/2001 |
| 6196253 | Continuously operated condensate drain valve The invention is a continuously operated condensate drain valve operating in real-time response to the presence of an electrically conductive media in the interior chamber of the condensate drain valve. The invented valve includes a valve body, a subminia... | 03/06/2001 |
| 6035882 | Monitoring condensate traps A condensate trap assembly includes a monitoring device 4 which is closely coupled to, or integral with, a condensate trap 2. The monitoring device 4 includes a flow restriction 56 and a condensate receiving chamber 48 which accommodates a sensor 66. The ... | 03/14/2000 |
| 5544672 | Slug flow mitigation control system and method Liquid slug flow in oil production well flowlines and the like is controlled by a throttling valve in the flowline upstream of a gas-liquid separator and a differential pressure gauge, densitometer or other device for measuring the presence and the volume... | 08/13/1996 |
| 5469879 | Condensate trap and drain for systems under pressure A condensate removal device for capturing, measuring and removing condensate from a fluid system having air or gas under pressure. The device purges only condensate on demand without loss of relative pressure inherent within the system. A single sensing p... | 11/28/1995 |
| 5337779 | Automatic drain device An automatic drain device in an air compressor system includes an electrode sensor in a liquid collection cell. An electronic control detects an electrical change in the electrode sensor resulting from contact with liquid in the liquid collection cell and... | 08/16/1994 |
| 4974626 | Condensate trap for systems under pressure In a so-called condensate trap for discharging condensate, e.g. oil or water from a fluid system which contains air or a gas or vapor under pressure, a single tube which projects into a housing in which the condensate collects contains spaced sensors of a... | 12/04/1990 |
| 4746223 | Meter for integrating the operating time of a steam trap A meter for integrating the operating time of a steam trap including an integrating instrument consisting of a transparent vessel containing an electrolyte between two columns of mercury across which a DC voltage may be applied and a thermocouple includin... | 05/24/1988 |
| 4505427 | Condensate drain valves Solenoid operated condensate drain valve arrangements for steam systems are described having the following features: (a) powered by electromotive force obtained by the Seebeck effect; (b) where electrical sensing probe means control operation of the arrangemen... | 03/19/1985 |
| 4336821 | Solenoid-actuated drain valve A solenoid-actuated drain valve for a compressed gas reservoir of a diesel locomotive in which the valve element is a differential piston exposed on opposite faces to reservoir pressure for normally holding the valve closed and minimizing the opening forc... | 06/29/1982 |
| 4308889 | Electric conductive type steam trap An electric conductive type steam trap comprises a trap body substantially in the construction of a three-way tube connected to the exhausting end of the steam pipe; an electric solenoid provided between an orifice apparatus and the exit of the condensate... | 01/05/1982 |
| 4261382 | Condensate drain valves Disclosed is an electrically operated condensate drain valve arrangement for draining condensate from a fluid transfer system, the arrangement comprising a condensate drain valve (3), an electronic circuit (5 or 21) for controlling operation of the valve,... | 04/14/1981 |
| 4202367 | Circuit arrangement for regulating the level of liquid in vessels There is disclosed a circuit arrangement for regulating the level of a liquid in vessels. The arrangement according to this invention comprises a draining vessel with a draining conduit, a fluid level pick-up device, a compensation pick-up device, and a w... | 05/13/1980 |
