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| Number | Title | Issue Date |
| 7334594 | Apparatus and method for adjusting a locking mechanism of a shunt valve A shunt valve assembly includes an electromechanical brake mechanism that locks a position of a pressure setting mechanism within a shunt valve assembly. The electromechanical brake can maintain the position of the pressure setting mechanism in the presence of a rel... | 02/26/2008 |
| 7320345 | Tire safety valve and inflation device An air inflation device is a pass-thru vehicle tire inflation device. It ensures exact air pressure without the use of an air gauge. It works by attaching to a tire valve, and then to an existing air supply, such as those found at gas stations, and utilizing an inte... | 01/22/2008 |
| 7310965 | Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 12/25/2007 |
| 7284568 | Safety valve unit A safety valve unit permits its user to perform an adjustment of the valve unit in cracking pressure from the outside in an easy and an adequate manner without disassembling any part of the valve unit in a condition in which the valve unit remains inline-connected w... | 10/23/2007 |
| 7159412 | Compressor head, internal discriminator, external discriminator, manifold design for refrigeration recovery apparatus The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 01/09/2007 |
| 7152557 | Apparatus for adjusting an operational point of an engine An exhaust valve assembly may include a diaphragm connected to a restricting member. The diaphragm may be configured to change a position of the restricting member based on a pressure on a first side of the diaphragm. A spring may abut a second side of the diaphragm... | 12/26/2006 |
| 7073346 | Compressor head, internal discriminator, external discriminator, manifold design for refrigerant recovery apparatus and vacuum sensor The compressor head, internal and/or external discriminator, and manifold design in general utilize ball valves on the suction and discharge of a cylinder head in the recovery of refrigerant liquid and/or vapor. The device facilitates the flashing of liquid refriger... | 07/11/2006 |
| 6953053 | Pressure relief valve assembly A relief valve assembly including a valve member, having inlet and outlet bores, for sliding movement within a valve body bore portion, having a cylindrical sleeve portion, journalled via a cylindrical sleeve bearing for substantially the entire axial extent thereof... | 10/11/2005 |
| 6691735 | Fine adjustment device for gas pressure regulators The current invention describes a pressure regulator for a gas burner that allows a consumer to make adjustments to the pressure regulator for differences in altitude as well as differences in the design and manufacturing tolerances of the pressure regula... | 02/17/2004 |
| 6615774 | Adjustable pressure actuated fuel/air diaphragm valve assembly A diaphragm valve assembly includes a diffusing screen, and a generally spherical lightweight membrane that provides a 360° circular seal. Spring loading enables variable resistance to be placed on the seal to allow the operator to adjust the internal pr... | 09/09/2003 |
| 6391019 | Valve apparatus and valve system using thereof A valve apparatus of a valve system includes a long-sized elastic member a base end portion of which is fixed and a front end portion of which is brought into contact with a valve element and a movable member capable of moving in B1 and B2 directions actu... | 05/21/2002 |
| 6044999 | Hollow resin container In a hollow resin container, at a connecting portion between a separator and a resin layer, through-holes, each of which has a surface which is coplanar with and continuous with an inner side surface of the hollow resin container and whose axial direction... | 04/04/2000 |
| 5853021 | Pressure limiting tire deflator system A new Pressure Limiting Tire Deflator System for deflating a tire to a pre-selected pressure for increasing traction during travel within loose dirt or sand. The inventive device includes a spherical head formed for engaging a valve stem, an elongated nec... | 12/29/1998 |
| 5713390 | Pressure gauge capable of automatically discharging air therefrom A pressure gauge has a housing unit which includes an air inlet, an air outlet, an air chamber communicated fluidly with the air inlet, and a pressure relief chamber communicated fluidly with the air chamber via a pressure relief passage and with the outl... | 02/03/1998 |
| 5507311 | Pressure regulator for a pressure cooker A pressure cooker pressure regulator having at least two operating thresholds, the regulator being of the type comprising a valve body fixed to the lid of a pressure cooker and having a valve seat formed therein, and a needle carrying a rating mass and be... | 04/16/1996 |
| 5146948 | Damping valve with improved damping adjustment The invention pertains to a damping valve(1), especially for hydraulic media in damping systems, such as shock or vibration damping systems and the like, with at least one throttling channel (38) equipped with a valve element for damping adjustment. The v... | 09/15/1992 |
| 5040563 | Adjustable air pressure valve An adjustable air pressure valve for placement in a compressed air hose. Positioning a knob determines the pressure exerted by a spring on a valve member which allows air above a predetermined pressure to escape from the hose to the atmosphere. The knob i... | 08/20/1991 |
| 4941504 | Manual fluid-control valve with limited closing pressure A manual fluid-control valve has a housing defining a chamber formed with a seat and with a fluid inlet and a fluid outlet opening into the chamber at opposite sides of the seat and a valve body in the housing having an end face and displaceable axially f... | 07/17/1990 |
| 4901978 | Flow control valve A pair of opposed valve members defines a radial flow path therebetween which extends from the outer radial peripheries of each valve member to an axial bore formed in one of the valve members. The other valve member is mounted on a stem having an upper e... | 02/20/1990 |
| 4777978 | Pressure regulator with cam mechanism for spring tension adjustment A pressure regulator includes a valve urged by a spring and a plunger in connection with the spring to adjust the tension of the spring. The plunger has a transverse pin engaging with a camming face of a sleeve around the plunger. The camming face lies in... | 10/18/1988 |
| 4681297 | Adjustable pressure regulating solenoid valve A pressure regulating solenoid valve is disclosed which comprises a valve body having a flow path therethrough having an inlet and an outlet. The valve body has a main valve seat within the flow path, and a main valve member mounted within the valve body ... | 07/21/1987 |
| 4545405 | Multi-position relief valve A multi-position pressure relief valve settable to operate at different pressure limits includes an adjustment rod, a valve bias spring and a valve member extending coaxially with one another, the axial spacing between the rod and the valve member determi... | 10/08/1985 |
| 4450861 | Compressed gas saving device Compressed gas saving device designed to be implanted in a pipe system connecting a control valve outlet to the inlet of a pressure-user apparatus constituted by a body in which a first passage is provided which passage starts from a first end of the body... | 05/29/1984 |
| 4412555 | Over pressure release valve for a hydraulic installation The valve includes a disk (8) one side of which is subjected to the action of an adjustable thrust unit and the other side of which is applied against a seat (3) connected to the pressure source of said hydraulic installation, the thrust unit (12) being c... | 11/01/1983 |
| 4106522 | Pressure relief valve Calibrated pressure relief valve constituted by a body, a closure member, a piston which slides tightly in a bore and defines in the body an exhaust chamber and an adjustment chamber, a member for returning the closure member, interposed between said latt... | 08/15/1978 |
| 3968905 | Time release aerosol dispenser Timed release of measured quantities of an aerosol spray is accomplished by attachment of an improved dispenser to a conventional aerosol container. The contents of the container are controllably passed through a porous sintered plug and a flow restrictin... | 07/13/1976 |
