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Patent No. 5979328

Vehicular Impact Signaling Device

An apparatus for the deployment of a visible plume to alert other motorists that a proximate motor vehicle has been involved in a collision.

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Class 417/295 - Inlet throttle or stop valve


Subclass of Class 417 - Pumps
Definition: Apparatus in which the fluid control means comprises valve
No. of patents: 312
Last issue date: 04/24/2012


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NumberTitleIssue Date
8162622Compressor sound suppression
A compressor apparatus (20) has a housing (22) having first (53) and second (58) ports along a flowpath. One or more working elements (26; 28) cooperate with the housing (22) to define a compression path between suction (...
04/24/2012
7931452Suction throttle valve of a compressor
A compressor has a suction throttle valve, which includes a suction passage, a suction port, a valve body, an urging member, a valve chamber, a first communication hole, a closing valve and a valve seat. The closing valve closes the hole of the valve body by pressur...
04/26/2011
7435059Flow controlled blood pump system
A system for pumping blood to assist or assume the cardiac function of a patient is characterized by a blood pump that exhibits a steep performance curve such that only small changes in pump flow occur for large changes in differential pressure across the pump. The ...
10/14/2008
7387501Control valve for variable displacement compressor
To provide a control valve which is capable of maintaining the minimum operation of a variable displacement compressor, by causing a valve section thereof to be fully opened, irrespective of the expanded or compressed state of a bellows, even when the suction pressu...
06/17/2008
7347675Vane rotary expansion engine
A high-efficiency vane rotary expander is provided, which prevents a loss due to incomplete expansion or overexpansion from occurring because the volume of an operating chamber may vary. This is done by forming a plurality of discharge ports (28, 29, 48, 49, 50
03/25/2008
7341437Capacity-changing unit of orbiting vane compressor
Disclosed herein is a capacity-changing unit of an orbiting vane compressor that is capable of selectively accomplishing compression or communication in inner and outer compression chambers of a cylinder through simple manipulation of a valve, thereby easily changin...
03/11/2008
7338254Turbocharger with sliding piston assembly
A turbocharger having a sliding piston assembly comprising a tubular piston disposed in the bore of the turbine housing such that the piston is axially slidable relative to the turbine housing. The piston assembly further comprises a tubular carrier inserted axially...
03/04/2008
7339283Electronic load regulator
An electronic load regulation system for a locomotive may comprise a solid state replacement for existing electro-mechanical load regulators that are used to adjust the excitation current in the field windings of the locomotive's generator. A pressure sensor may inc...
03/04/2008
7326266Coalescing type filter apparatus and method
A coalescing type gas filter includes a filtering element enclosed in an inner chamber which is housed in an outer chamber and a drain device to simultaneously drain accumulated liquid in both the inner chamber and the outer chamber. The drain device contains a pres...
02/05/2008
7316546Screw compressor
(57) The compressor comprises a compressor element (2) with a compression chamber (7), to which an inlet conduit (3) is connected, with an inlet valve (4) comprising a valve element (16) which is connected to a piston (13...
01/08/2008
7311062Milking plant and method for reducing sound emissions in a milking plant
The invention relates to a milking plant wherein the vibrations and sound emissions thereof are significantly reduced. In said inventive milking plant, a vacuum control valve (500) is directly connected to a vacuum compensation tank (200). The vacuum c...
12/25/2007
7293968Capacity-changing unit of orbiting vane compressor
Disclosed herein is a capacity-changing unit disposed in an orbiting vane compressor, which compresses refrigerant gas introduced into a cylinder through an orbiting movement of an orbiting vane in the cylinder, for easily changing capacity of the orbiting vane comp...
11/13/2007
7287423Method and device for control of the capacity of a compressor
A method and device for evaluating the capacity of a compressor (1) by air being allowed to flow out from a pressure tank (3) through an opening of known geometry. Following a calculation, the quantity of evacuated air is obtained. After this, a compre...
10/30/2007
7251947Refrigerant system with suction line restrictor for capacity correction
A fixed restriction is placed in a suction line leading to a compressor. The size of the restriction is selected to achieve a desired capacity reduction (correction) for the refrigerant system compressor. By selectively restricting the flow of refrigerant through th...
08/07/2007
7234926Air compressor assembly
A compressor assembly comprising first and second housing structures connected to one another. A compression chamber is formed integrally within the first and second housing structures. A separation chamber is formed integrally within the first and second housing st...
06/26/2007
7216497Slope predictive control and digital PID control
The present invention provides an airflow control loop that uses averaged airflow measurements without the problems that are normally encountered with averaging measurements, such as the delay introduced into the airflow control loop. This is accomplished, in the pr...
05/15/2007
7204249Oxygen conserving device utilizing a radial multi-stage compressor for high-pressure mobile storage
An oxygen concentrator is utilized in combination with a compressor, preferably a radial compressor, to provide a highly enriched and compressed oxygen gas in a mobile container such as a gas cylinder. The combination and method of production provides for the facile...
04/17/2007
7189065Compressor heat regenerative system
A regenerative source of heat is provided for the oil used to lubricate a compressor within a heating, cooling or refrigeration system. The regenerative source absorbs heat from the oil when it is circulating through the compressor at a relatively high temperature. ...
03/13/2007
7178511Apparatus for controlling a pressure in a fuel inflow line
In an apparatus (12) for controlling a pressure in a fuel inflow line of a motor vehicle, a shutoff valve (20) and a pressure limiting valve (21) are arranged in a connection (19). The connection (19) is arranged between an inflow ...
02/20/2007
7168973Extension cord retention and plug retention system
A retaining system including a power cord retaining system and a cord plug retaining system for use with a power tool. The power cord retaining system is configured for accommodating an extension cord and includes a cord capture formation for retaining the extension...
01/30/2007
7165949Cavitation noise reduction system for a rotary screw vacuum pump
A rotary screw vacuum pump system includes a vacuum bypass system, which communicates with a first closed cell formed by the rotor system. An air bypass valve within an air communication conduit is controlled by a solenoid valve that operates in response to a pressu...
01/23/2007
7156922Multi-chamber installation for treating objects under vacuum, method for evacuating said installation and evacuation system therefor
A multi-chamber installation (1) treats objects under vacuum. An evacuation system (5) is connected to a plurality of chambers (2, 3, 4). To reduce the complexity of the evacuation process, a forepump (5) has several stages (11, 12, 13...
01/02/2007
7137789Vent for reducing seal pressure in pump assembly
An engine pump is provided which operates with an internal combustion engine or as a supplemental pump or as used in a stand alone device, and includes an internal vent for improved pump and motor durability. The pump is operably and sealably connected to a motor an...
11/21/2006
7137788Air compressor oil recirculation system
An apparatus for removing oil from air in an air compressor that has a piston reciprocable in a cylinder to compress the air, includes an oil removal chamber associated with the compressor. An unloader valve has an unactuated condition and an actuated condition disa...
11/21/2006
7125277plug retention system
A retaining system including a power cord retaining system and a cord plug retaining system for use with a power tool. The power cord retaining system is configured for accommodating an extension cord and includes a cord capture formation for retaining the extension...
10/24/2006
7103413Ferrite core telemetry coil for implantable medical device
An implantable medical device such as a cardiac pacemaker with a telemetry coil located in the device header rather than the conductive housing. The telemetry coil has a core made of magnetically permeable material such as ferrite in order to increase the efficiency...
09/05/2006
7097432Sliding vane turbocharger with graduated vanes
A turbocharger having a variable geometry turbine inlet incorporating a cylindrical piston movable to vary the area of the inlet nozzle into the turbine. Vanes mounted to the piston for flow control in the nozzle are received through a slotted heat shield which prov...
08/29/2006
7094038Vacuum preventing device for scroll compressor
Disclosed is a vacuum preventing device including a housing engaged to one side of an outer circumference portion of a fixed scroll to divide the area into a discharge region and a suction region, a chamber formed in the housing and having a compression hole connect...
08/22/2006
7086841Air compressor with inlet control mechanism and automatic inlet control mechanism
An automatic inlet control mechanism and air compressor unit include a valve cavity and valve outlet. The valve cavity includes a valve control chamber and valve inlet chamber. A valve piston assembly is positioned between the valve control chamber and the valve inl...
08/08/2006
7074013Dual volume-ratio scroll machine
The present invention provides the art with a scroll machine which has a plurality of built-in volume ratios along with their respective design pressure ratios. The incorporation of more than one built-in volume ratio allows a single compressor to be optimized for m...
07/11/2006
7059842Variable capacity rotary compressor
A variable capacity rotary compressor including a hermetic casing, and a housing installed in the hermetic casing to define therein first and second compression chambers having different capacities. A compressor is placed in the first and second compression chambers...
06/13/2006
7051534Gas turbine arrangement having an integrated filter housing and compressor bleed duct
Arrangement at a gas turbine installation for the generating of electricity, where inlet air filter housing, bleed air outlet and inlet for the vent air to the turbine housing are integrated into two units, an upper filter housing and a lower intermediate housing co...
05/30/2006
7048000Pressure reducing valve
A pressure reducing valve includes a housing having a passage therein, a valve body disposed within the passage, and a piston slideably disposed within the passage. The valve body includes a wall arranged transverse to the passage and dividing the passage into an in...
05/23/2006
7025083Quick closing shut-off valve
A quick closing shut-off valve includes an inlet, an outlet and a passage there between. A closing element blocks the passage when in the closed position. The closing element is interconnected to a piston via a pull rod. The piston is positioned within a working cha...
04/11/2006
7025044Pump assembly and method
A pump assembly includes a high-pressure pump that flows pressurized working fluid in a fuel injection system of a diesel engine. The assembly includes a pilot-operated inlet throttle valve that receives a flow of low-pressure fluid from a feed pump and controls the...
04/11/2006
7021955plug retention system
A retaining system including a power cord retaining system and a cord plug retaining system for use with a power tool. The power cord retaining system is configured for accommodating an extension cord and includes a cord capture formation for retaining the extension...
04/04/2006
7014427Capacity controller of capacity variable compressor
A small sized and structurally simple capacity controller having a wide control range of a compressor with variable capacity adds a differential pressure to an inhalation pressure on an arbitrary level by a piston valve body actuated by a solenoid and by the inhalat...
03/21/2006
7011183Suction oil injection for rotary compressor
An apparatus and system for immediately lubricating a compressor within a compressor system using a suction oil line apparatus. The compressor system comprises a compressor, a power source for operating the compressor, a tank capable of storing oil therein, a conven...
03/14/2006
7007503Oil equalizing system for multiple compressors
An oil equalizing system for multiple compressors which does not require a particular machining process for shells of the compressors, thereby being capable of preventing an increase in costs, while maintaining oil in each compressor in a proper amount. In a refrige...
03/07/2006
6976559Piston compressor, particularly hermetically enclosed refrigerant compressor
The invention relates to a piston compressor, particularly a hermetically enclosed refrigerant compressor, with a crank drive, having a crank shaft with an eccentric crank pin and an oil channel arrangement, and a connecting rod with a first piston-side connecting r...
12/20/2005
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