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"I watched his countenance closely, to see if he was not deranged ... and I was assured by other senators after he left the room that they had no confidence in it."
U.S. Senator Smith of Indiana ; After seeing Samuel Morse demonstrate the telegraph.
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| Number | Title | Issue Date |
| 7320434 | Method of controlling electronic controlled thermostat An electronically controlled thermostat control method is obtained which makes it possible to eliminate the response delay from the time that the required cooling water temperature is set to the time that the actual cooling water temperature reaches the set water te... | 01/22/2008 |
| 7299994 | Oil cooler bypass valve A valve actuating mechanism for a transmission/engine fluid cooler bypass valve of the type in which a responsive element expands to urge a valve member against a valve seat and thereby causes transmission fluid to flow through an oil fluid cooler. A cast valve hous... | 11/27/2007 |
| 7284742 | Flow control valve A flow control valve for controlling water flow, for example through a refrigeration unit condenser spray cooling system. The valve includes an arm that carries a paddle adapted to be placed in an air stream for deflection by an air current. Movement of the paddle c... | 10/23/2007 |
| 7131294 | Method and apparatus for control of carbon dioxide gas cooler pressure by use of a capillary tube A transcritical vapor compression system that includes a fluid circuit circulating a refrigerant in a closed loop. The fluid circuit has operably disposed therein, in serial order, a compressor, a first heat exchanger, a first capillary tube and a second heat exchan... | 11/07/2006 |
| 7114913 | Lubricant-cooled gas compressor In a lubricant-cooled gas compressor (10) the temperature of separated lubricant returned to the air-side (11) is monitored by a thermostatically controlled restrictor valve (22) which minimises the flow of returned lubricant when temperature is... | 10/03/2006 |
| 7108012 | Fluid control valve A fluid control valve for the mixing of hot and cold water and delivery at a selected flow rate is described wherein an upper housing and lower housing are clamped together by a snap-fit connection thereby enclosing other fluid control valve component parts. A ball ... | 09/19/2006 |
| 7011295 | Vacuum regulating valve A vacuum regulating valve is capable of precisely controlling the flow of a fluid so that the flow rate may increase gradually in an initial stage of a valve opening operation. The vacuum regulating valve includes a valve casing having a valve chamber and provided w... | 03/14/2006 |
| 6959921 | Temperature responsive valve assembly for a pneumatic spring A temperature responsive valve assembly for a gas spring includes a valve body, a seal, a bi-metal valve and a locking member. The valve body includes a flexible radial member defined along the outer periphery of the valve body. Each radial member includes a radiall... | 11/01/2005 |
| 6915648 | Vapor compression systems, expansion devices, flow-regulating members, and vehicles, and methods for using vapor compression systems Flow-regulating members are described that include a primary channel and a plurality of secondary channels. The primary channel defines a primary channel orifice in the flow-regulating member and the plurality of secondary channels define a plurality of secondary ch... | 07/12/2005 |
| 6816669 | Vaporizer with capacity control valve A vaporizer for liquefied gas, such as liquefied petroleum gas, which includes a heat exchanger and a capacity control valve for controlling the inflow of liquefied gas to the heat exchanger. The heat exchanger has an inlet to accept liquefied gas and an outlet to r... | 11/09/2004 |
| 6527195 | Regulating insert to be placed in valves, and valve unit A regulating insert for mounting in valves includes a dynamically flow regulating body, with the body having a first housing that is disposed within a second housing. A coil spring is arranged about an axis thereof, and a first end of the coil spring enga... | 03/04/2003 |
| 6296194 | Expansion valve An expansion valve adapted to achieve a stable operation in case of variations of the pressure of a high-pressure refrigerant is actuated by a power element transmitting an opening force to a valve body via a rod located between the power element and the ... | 10/02/2001 |
| 5967409 | Temperature responsive valves and method of regulating fluid flow therethrough Temperature responsive valves for regulating fluid flow in a supply line such as to a showerhead or faucet wherein the valves include a slide valve assembly which is movably positioned within a bore extending in transverse communication with respect to a ... | 10/19/1999 |
| 5967101 | Engine cooling system and thermostat with improved bypass control This liquid cooling system for internal combustion engines employs a double acting thermostat to prevent coolant temperature fluctuation over a large range of engine loads and speeds and to selectively block coolant flow through the bypass circuit so that... | 10/19/1999 |
| 5931375 | Valve for a system having an energy-carrying medium Energy exchanger valve (8) with thermostat valve (12), a housing (9) with inlet (20) and outlet (21), a thermostat bellows displaceable spindle (30) with seal (42) which, by the expansion/contraction of the thermostat bellows and against the pressure of a... | 08/03/1999 |
| 5873518 | Water valve assembly having a temperature and pressure sensing device integrated therein A water valve assembly includes a valve body having defined therein (1) a first fluid inlet, (2) a temperature sensing port, (3) a fluid outlet, and (4) a fluid channel in fluid communication with the first fluid inlet, the temperature sensing port, and t... | 02/23/1999 |
| 5860591 | Valve for a system having an energy-carrying medium Energy exchanger, valve (8) with thermostat valve (12), a housing (9) with inlet (15) and outlet (16), a thermostat bellows displaceable spindle (42) with a seal (32) which, against the pressure of a spring (43) surrounding the spindle (42), closes/opens ... | 01/19/1999 |
| 5368227 | Temperature limiting control valve for a shower head A temperature limiting control valve for a shower head including a housing having an internal water chamber, a water diversion piston slidably mounted in the internal water chamber, a thermostat mounted in water diversion piston that is closed by a predet... | 11/29/1994 |
| 5191915 | Viscous fluid shear clutches and control valves therefor A viscous fluid shear clutch comprises a two-part outer casing 14,15 and an inner clutch member 10 between which is defined a clearance gap into which viscous fluid may flow to provide an adjustable degree of coupling between the casing and the clutch mem... | 03/09/1993 |
| 5156332 | Pressure regulating flow control apparatus A pressure regulating flow control apparatus comprises a flow metering valve (10) for controllably discharging a fluid from a spring-biased throttling spool (30) thereof to a fluidic device at a regulated pressure and a pressure modulting valve (100) oper... | 10/20/1992 |
| 5088516 | Temperature compensator for pressure regulator A temperature compensator for use on a gas pressure regulator which inflates an infatable aircraft slide. The temperature compensator is cooperative with a movable valve upon actuation, to control the flow of pressurized fluid past a discharge orifice. Th... | 02/18/1992 |
| 5087866 | Temperature compensating circuit for LVDT and control system A linear variable displacement transducer (LVDT) has a core connected to an actuator such as a torque motor. The outputs of the LVDT are demodulated and subtracted to provide a displacement signal which is compared with a desired displacement to provide c... | 02/11/1992 |
| 5038724 | Debris resistant valve assembly An internal combustion engine comprising an engine block defining a cylinder bore and a fluid jacket, an annular valve seat defining a first passageway communicating with the fluid jacket, a valve assembly including a housing having a fluid inlet, a fluid... | 08/13/1991 |
| 4913107 | Liquid-cooling circulation system for power and working machines, especially internal combustion engines A liquid cooling circulation system for power and working machines (especially internal combustion engines) contains an air-separating tank (17) in a by-pass vent line (14) which is arranged at the high point (5') of the radiator inflow (5). A fill inlet ... | 04/03/1990 |
| 4898324 | Metering valve temperature compensation An apparatus for correcting the weight flow of fluid passing through a fuel control is shown. A bimetallic probe is placed within a metering spool to sense temperature variation of the fuel passing therethrough. A feedback mechanism senses changes in the ... | 02/06/1990 |
| 4828166 | Device for regulating the heating element of a cooking vessel A device for regulating the heating element of a cooking vessel of the type with an input device for setting a preselected cooking temperature in the range of the boiling point of water, a device for measuring the temperature on or in the cooking vessel, ... | 05/09/1989 |
| 4818444 | Fluid pressure control valve and a system which includes such a valve A fluid pressure control valve and a fluid control system (such as for beverage dispensing) with such a valve has a beverage passage 3, pressure fluctuations in which are detected by a diaphragm 17 to displace a sensing member 15 axially against spring lo... | 04/04/1989 |
| 4777794 | Mass flow rate regulation of propellant fluid in the feed system of a bi-propellant, pressure-fed rocket engine A method and apparatus 10 for self-regulating the mass flow rate of a fluid comprises a housing 12 defining an upper chamber 14 and a lower chamber 16, a sealed and pressurized bellows 30 contained within the upper chamber 14, spring bias means 58 contain... | 10/18/1988 |
| 4739924 | Air volume regulator valve Disclosed is an air volume regulator valve for an air distribution apparatus for heating, ventilating and air conditioning systems having a first open position, a closed position and a second open position and means for maintaining relatively constant vol... | 04/26/1988 |
| 4621767 | Cooling control system apparatus and method A cooling control system including a valve device controlling a flow of cooling medium to an enclosure in response to a control signal; and a control apparatus generating the control signal as a function of both the temperature and the pressure within the... | 11/11/1986 |
| 4619135 | Apparatus and method for calibrating environment control systems Calibration apparatus includes a fluid pressure system comprising a first gauge, a regulator and a second gauge in series. The calibration system is positioned in the general vicinity of one or more environment control system components to be calibrated, ... | 10/28/1986 |
| 4606497 | Temperature compensator for pressure regulator A temperature compensator mounted on a gas pressure regulator having a spring loaded valve in which the amount of compression in the spring is changed by moving an adjusting member of the compensator in response to changes in temperature. The temperature ... | 08/19/1986 |
| 4596360 | Pilot operated pressure regulating valve To eliminate the effect of variables such as pressure and temperature on the operation of a pilot operated, pressure regulating valve, a poppet (30) is disposed between two ports (20), (34) in a valve body (14) and is biased towards a seat (26) by a pair ... | 06/24/1986 |
| 4580719 | Thermostatic control device The specification discloses a thermostatic control device for controlling the flow of a pressurized fluid. A housing having a plurality of flow-through apertures encloses a valve which is movable between a seated and an open position. The valve is operabl... | 04/08/1986 |
| 4560104 | Coolant temperature control system of internal combustion engine A coolant temperature control system of an internal combustion engine is composed of a thermostat disposed in a coolant passageway leading to a radiator. The thermostat is operatively connected to a diaphragm actuator so that valve opening temperature of ... | 12/24/1985 |
| 4558632 | Sterilized storage container A container lid (12) is held open by a support plate (18) carrying a chamber (20) which expands at a predetermined point in a sterilizing cycle to react against the lid, moving the plate outwardly to permit the lid to drop onto the container base. A resil... | 12/17/1985 |
| 4542391 | Ink jet recording head An ink jet recording head is constructed with a liquid droplet discharging device, a feeding path for supplying ink to the liquid droplet discharging device, and a flow path resistance adjusting section formed in one part of the ink feeding path to increa... | 09/17/1985 |
| 4482091 | Temperature sensor A temperature sensor includes a probe (15) accommodating a charge gas the pressure of which is a function of the temperature thereof, and a number of bellows (65, 75 and 85) or similar pressure responsive devices disposed in a chamber (12) which is therma... | 11/13/1984 |
| 4463897 | Cooling control system apparatus and method A cooling control system including a valve device controlling a flow of cooling medium to an enclosure in response to a control signal; and a control apparatus generating the control signal as a function of both the temperature and the pressure within the... | 08/07/1984 |
| 4454982 | Control valve A control valve for maintaining the temperature respectively the viscosity of pressure fluid passing therethrough substantially constant comprises a control slide provided with a throttle bore and downstream of the control slide a precontrol valve in whic... | 06/19/1984 |
