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Class 137/183 - With fluid responsive valve


Subclass of Class 137 - Fluid handling
Definition: Separating traps wherein the discrimination is obtained
No. of patents: 41
Last issue date: 01/08/2008


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NumberTitleIssue Date
7316241Steam trap
A steam trap comprises a trap body having an inlet and an outlet each defining inner threads. The trap body further includes a spigot defining external threads. Also provided is a cap defining internal threads for engaging the external threads of the spigot of the t...
01/08/2008
6823785Printing unit
A printing unit has at least four cylinders that form a printer. At least two of these four cylinders rotate independently of each other. At least one of the cylinders in the group of at least four cylinders has a set up rotational speed that is not zero and that is...
11/30/2004
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
6302136Steam valve
Steam valve wherein at least one of the valve plug mating surface or valve seat mating surface has a metal nitride and/or carbide coating thereon. Preferably, the metal nitride and/or carbide coating is on both mating surfaces....
10/16/2001
6148845Valve housing with a connecting part and a cap
The valve housing can be used for valves and steam traps with a compact automatic control unit. It has a connecting part with two flow ducts and a base on which the open end of a cap rests tightly. Two post-like projections with fastening orifices are pro...
11/21/2000
6148844Condensate removal device
A condensate removal device for removal of condensate from a fluid system. The device includes a body adapted for connection to the fluid system, the body having an inflow opening and an outflow opening. A trap between the inflow opening and the outflow o...
11/21/2000
6138706Condensate traps
A condensate trap comprises a trap element 12 disposed in a trap chamber 6, and a sensor chamber 16 containing a sensor element 24 for monitoring the performance of the trap element 12. The sensor chamber 16 communicates with the trap chamber 6 through a ...
10/31/2000
6035882Monitoring 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
5921268Condensate traps
A thermodynamic condensate trap comprises a body 2 and a cap 18 which define a chamber 24. Inlet and outlet passage 8, 10 emerge into the trap chamber 24 at a seating face 12. A valve element in the form of a disc 26 is movable within the chamber 24 to op...
07/13/1999
5884654Condensate discharge device
A condensate discharge device which prevents metal ions from attaching and depositing on the condensate discharge port surface. An inlet, a condensate discharge port, and an outlet are formed in a valve casing, which valve casing includes an upper casing ...
03/23/1999
5687755Equipment comprising a condensate trap
A condensate trap assembly 12 includes a valve body 28 accommodating a condensate trap element 34 and a valve element 36. The valve element 36 is movable by a positioner 26 to direct flow in a condensate line 10 either through the condensate trap afforded...
11/18/1997
5630441Self-closing liquid/gas control valve
A self-closing control valve for stopping the penetration of propellant gas into a liquid dispensing system, upon the exhaustion of the liquid from its supply vessel. The valve is easily assembled into standard beer barrels or syrup vessels of CO2
05/20/1997
5546976Condensate trap installations
A condensate trap installation comprises a condensate trap 6 and one or more further components such as a strainer 8 and a check valve 10. The condensate trap 6 and the further components 8, 10 are placed in face-to-face engagement at end faces 30 and cla...
08/20/1996
5232006System for separating gas from a liquid flow whose volume is to be measured
A system for separating gas from a liquid flow whose volume is to be measured with the exclusion of gas inclusions comprises a liquid conduit (5) through which the liquid flow is conducted. The conduit (5) incorporates a volume meter (5), a fluid homogene...
08/03/1993
5211200Automatic bleed valves
An automatic bleed valve bleeds gas from a liquid reservoir. It comprises a housing having a passage extending between an inlet and an outlet with the passage including a bore in which a piston is slidably received. The piston includes a capillary providi...
05/18/1993
5211201Intravenous fluid delivery system with air elimination
An air elimination system is provided for an intravenous fluid delivery system for intravenous injection of fluid into a patient. An air-detection apparatus (5) is disposed in an intravenous fluid line (3). A return line (8) is attached to a point in the ...
05/18/1993
4782851Capillary valve for hydraulic systems
A scavenger system (10) for a hydraulic recirculating installation, such as may be employed with a vehicular transmission (11), which employs a sump (18) to collect the recirculating hydraulic fluid (19). The sump (18) is to be maintained essentially dry,...
11/08/1988
4664138Steam trap
There are disclosed steam traps for use, for example, in a steam system for expelling large quantities of condensate fluid at low pressures and for self locking closed at pressures above a predetermined pressure. The traps include a chamber having an inpu...
05/12/1987
4660760Thermodynamic steam trap valve discs
A disc valve member (5) is disclosed that can be fitted to a thermodynamic steam trap (1) without modification of the trap. The disc valve member has an internal chamber (7) and perforated portions (8,9) through which air can escape from a chamber (6) in ...
04/28/1987
4592381Multiple stage device for condensate removal from a steam piping system
A condensate drainage device for a steam system which includes a series-connected arrangement of orifice-type devices particularly suitable for relatively small condensate drainage capacity. The orifice-type devices are selected for installation in housin...
06/03/1986
4524793Automatic reservoir bleed valve
An automatic valve for bleeding air from liquid or with reversal of the principal elements, vice-versa. In an embodiment for bleeding free air from a hydraulic fluid reservoir or the like, a capillary extends through a movable piston in series with an ori...
06/25/1985
4494692Steam trap
Steam trap structure including a bi-metal strip for actuating valve means to control passage of steam through the steam trap in accordance with the temperature within the steam trap. The bi-metal strip may be straight or may have an arcuate portion on one...
01/22/1985
4387732Steam trap including interchangeable body member and insert assembly
A valve body member and various insert assemblies usable with the body member to form steam traps of different types are disclosed in this application. The body member includes an internally threaded, generally cylindrical recess extending inwardly from a...
06/14/1983
4306590Milking apparatus discharge valve
A milking apparatus automatically providing the appropriate amount of vacuum for purposes of milking a cow throughout the entire milking operation. The milking apparatus includes a fluid control valve system having a controller unit and a discharge valve ...
12/22/1981
4296771Quiet impulse steam trap
A steam trap is provided with two paths through which fluid flows from its nput to its output. One path constitutes a control path wherein a small amount of steam or condensate continuously flows through restrictive orifices connected in series between the...
10/27/1981
4288032Steam trap including interchangeable body member and insert assembly
A valve body member and various insert assemblies usable with the body member to form steam traps of different types are disclosed in this application. The body member includes an internally threaded, generally cylindrical recess extending inwardly from a...
09/08/1981
4269217Separator valve
Valve for separating liquids out of gases, as in gas-well-to-customer operations, being an improvement of the valve described in our U.S. Pat. No. 3,769,999 of Nov. 6, 1973, entitled "Liquid Separator System and Apparatus". The valve comprises a body with...
05/26/1981
4250879Equipment sets and system for the sequential administration of medical liquids at dual flow rates employing a combined air barrier and liquid sequencing valve
Gravitational flow system and equipment sets for the sequential administration of medical liquids wherein a primary liquid can be administered at a flow rate independent of the flow rate of a secondary liquid, and including a barrier substantially impervi...
02/17/1981
4223695Novel valve employing hydrophobic and hydrophilic membranes
A novel valve employing hydrophobic and hydrophilic membranes and providing a combined air barrier and liquid sequencing valve. The novel valve is useful in gravitational flow systems and equipment sets for the sequential administration of medical liquids...
09/23/1980
4222403Automatic drain exhaust valve
An automatic drain exhaust valve (1) for draining water and the like from a pressurized gas system includes a housing (1') defining an inlet orifice (5), an intermediary space (8), and an outlet orifice (6). Valve surfaces (30 and 40) respectively close t...
09/16/1980
4214698Arrangement for control of the temperature of heat radiators in a co-tube system
A heat control system for a discontinuously operated heat radiator of the co-tube type is disclosed. A thermostat located away from the radiator controls the opening and closing means of an inlet steam valve located between the steam feeder connection and...
07/29/1980
4134541Fluid separation device
A condensate removal device which includes two parallel paths for removal of condensate and gases from a fluid system is provided with a thermostatically operated valve in one path and a drain orifice of a preselected size in the other path. The combinati...
01/16/1979
4073306Steam trap
A steam trap in accordance with the preferred embodiment of the invention disclosed herein includes a valve body member formed with inlet and discharge passages and having a valve seat intermediate the passages that cooperates with a valve member to contr...
02/14/1978
4037784Steam trap
A steam trap allowing the escape of condensate from a working fluid of steam comprises an escape valve mounted in a chamber in which the working fluid flows. The escape valve includes a valve seat member and a deformable metal diaphragm normally closing t...
07/26/1977
4013220Back-pressure-resistant vapor trap for condensate discharge
In addition to a deformable disk membrane with a valve seat on a portion of a flange immediately surrounding a discharge opening, there is provided a similarly deformable annular disk membrane on a valve seat surrounding that of the disk membrane set back...
03/22/1977
4004604Method of and apparatus for draining condensate from a steam-containing system
Apparatus for draining a condensate from a steam-containing system. A cascade section is adapted for connection to or into the system and provides two throttle points with a pressure chamber therebetween and a valve body disposed in the pressure chamber, ...
01/25/1977
3993062Hydrophobic valve
A hydrophobic valve for use with liquids, such as liquids for intravenous administration comprising a housing provided with inlet and outlet means, both of which communicate with the housing, a resilient, inflatable boot mounted in the housing and positio...
11/23/1976
3972342Apparatus for deaerating fluids
A deaeration valve useful in a pressurized fluid system for reducing the transfer of air from a sump to the principal reservoir of the system is disclosed. The valve comprises a body including a bore longitudinally therethrough and a poppet-type spool sli...
08/03/1976
3967637Apparatus for deaerating fluids
A deaeration valve useful in a pressurized fluid system for reducing the transfer of air from a sump to the principal reservoir of the system is disclosed. The valve comprises a body including a bore longitudinally therethrough and a poppet-type spool sli...
07/06/1976
3958092Apparatus for discriminating between liquid and gaseous flow
A flow responsive apparatus having a movable element therein ported and connected to a manifold and tube assembly so that during liquid flow conditions, a liquid head is developed in both the manifold and the tube assembly which lifts the valve element in...
05/18/1976
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