Abstract: The improved fuel tank isolation valve (100) with separate springs and path of over relief, comprising of fuel tank valve with a canister port (9) and a tank port (8), a seal sub assembly (5), a seal (3) for over pressure relief (OPR), a spring (1) for over vacuum relief (OVR), a spring (4) for over pressure relief (OPR), solenoid (10), moving core (11), wherein the improved fuel tank isolation valve (100) has a separate section or separate chamber (14) for the seal (3) for over pressure relief (OPR), the spring (1) and the spring (4) to meet the technical requirement of spring within less tolerances that also reduce rejection in production line and reduce magnetic force from solenoid (10) to open the path in refuelling condition which results in high accuracy and the seal sub assembly (5) includes a sealing (6) for refuelling function.

Abstract: The present invention relates to a urea pressure and temperature sensor (100) with improved sealing. More particularly, the present invention relates to a urea pressure and temperature sensor (100) comprising of a connector seal (7) and a sealing gasket (4) that improves the sealing and prevents any water ingress or urea accumulation.

Abstract: The present invention discloses a dual mode fuel tank leakage detector (100), comprising of an electromechanical valve (1) with a canister port, an engine control unit, pump assembly, a sensor (3) and works in pressure condition by comparing a measured pressure with reference pressure; in case there is leakage then the pressure is not upto the reference pressure within time interval. In case of no leakage, the pressure will be equal/above than the reference pressure, the leakage detector (100) works in vacuum condition by comparing a measured leakage with a reference leakage, in case there is a leakage the measured vacuum is not able to reach to the reference vacuum within a time interval and when there is no leakage, the measured vacuum will be equal or above from the reference vacuum and fuel tank leakage detector (100) enables to monitor leakage detection either in vacuum or pressure conditions.

Abstract: The present invention provides an improved fuel tank isolation valve (10). In particular, the invention is directed to provide an improved fuel tank isolation valve (10) which is normally open for one time delivery condition of the valve to enable refuelling function at the time of vehicle assembly. Said valve (10) comprises of a valve housing (1) and a solenoid housing (2), wherein the solenoid housing (2) includes one latch assembly that locks the moving core (12) in radial or axial direction to provide an intermediate latching position for single operation.

Abstract: The present invention relates to an oil control solenoid valve with improved pressure balance for high pressure applications and a method of assembling thereof. More particularly, the present invention provides an oil control solenoid valve (101) with a pressure balance assembly comprising of a fixed sleeve (2) with at least one inlet and one outlet, a movable plunger (1) having two ends and at least one bush (3) and the method of assembling thereof thus providing the pressure balance at both the ends of the plunger (1).

Abstract: The present invention relates to a system for monitoring plunger movement in non-energized condition in real time. More particularly, the present invention relates to a system comprising a plunger, a locking pin, a permanent magnet and a multi-point sensor to measure the position of plunger in a non-energized condition and to improve the automatic shut off or start on the pump.

Abstract: The present invention provides a system to detect real time plunger position in oil solenoid valve. More particularly, the present invention provides a position sensor embedded in the oil solenoid valve for detecting a plunger position in real time by downward movement of the plunger and having application in automobile for cooling of turbocharger.

Abstract: A solenoid based air ventilation valve (24) comprises of a housing (1), a solenoid coil (2), a flexible diaphragm (6), a plunger (8), a filter inlet (28) and a filter outlet assembly (100). The flexible diaphragm (6) is over molded with the plunger (8) to seal the flexible diaphragm (6) against the high pressure during closed position and has an incorporated O-ring (102) with flexible diaphragm (6) to stop the leakage from the valve (24). The filter outer assembly (100) is fixed to the inlet (25) and outlet port (26) to prevent suspended contamination particles in the valve (24). The valve (24) has a press fitted metal insert/flow controller (55) to achieve a low flow rate. Further, the air ventilation valve (24) allows a low leakage limit, low flow rate to serve high opening and working pressure to work in both over pressure and under pressure (vacuum) conditions.

Abstract: The present invention relates to leakage detection unit (100) comprise of an upper housing (5), a lower housing (6) accommodating an electromechanical valve (1), a pump assembly (2), a pressure sensor (3) and a bush (4), wherein the pump assembly (2) includes a pump that permits flow of air that, due to which pressure in passage of the pump becomes constant after a time interval and that pressure is considered as reference pressure. The pressure is measured by help of the pressure sensor (3) and in case the measured pressure is not equal or above to the reference pressure than there is leakage in the isolation valve (100), whereas in case the measured pressure is equal or above the reference pressure that there is no leakage or some permissible amount of leakage in the fuel tank within the time interval.

Abstract: The present invention relates to an improved rubber sealed plunger assembly of electrical compressor by-pass valve. The present invention relates to an improved rubber sealed plunger assembly of electrical compressor by-pass valve with lip seal design to eliminate its over molding and improve performances like leakage and response time. The present invention provides an improved rubber sealed plunger assembly comprising of components including but not limited to a rubber disk cover, a rubber disk, a plunger body, a diaphragm and a diaphragm holder.

Abstract: A leak proof, completely sealed solenoid valve, comprising a housing 14 having a fluid flow path controlled via an electrically operated mechanism to control a flow; the mechanism comprises metallic coil 20 coiled around a bobbin 16 supported by a magnetic bracket 24 with terminal pins 18 connected to the bobbin 16 for receiving electrical input to facilitate an energized and de-energized state to control the movement of a poppet 34 shaft that obstructs the flow; wherein, the bobbin 16 comprises micro-melting fins, thereby housing over molding creates strong bond between two materials; a permanent weld is created between the bobbin 16 and the housing 14 to prevent internal leakage; and the completely sealed solenoid valve limits emissions and evaporations of the volatile fuel components into and from the valve, and contribute to reliability and robustness of the product by completely sealing the nozzle and housing using laser welding.

Abstract: The present invention comprises a ventilation system in a flexible heat exchanger system of a seating assembly. It relates to a flexible layer having perforations positioned underneath the surface of the seat that enables ventilation to control temperature and humidity. The seating assembly comprises of a plurality of layers wherein the seating assembly has an upper layer upon which the occupant is in direct contact with, a middle layer having a heat exchanger system with perforated cooling pads or ventilation system for ventilation and a lower layer which is a cushioned layer having vents. The ventilation system includes but not limited to an array of holes, pores and cavities for maintaining temperature and humidity thus making the seating assembly breathable.

Abstract: The present invention provides a system for determining plunger position in a solenoid valve and method therefore. More specifically, the invention provides a solenoid valve having hall sensor for detection of plunger position, which provides feedback including output voltage (digital or analog) respective to its position. The solenoid valve includes a nozzle, a spring, a sealing rubber, a poppet, a magnetic bracket, a rubber grommet, a housing sub-assembly, a soft seal, a sensor assembly, a fix core, a moving core and/or plunger, coil, a bobbin sub-assembly, a fix core plate, magnet holder, a permanent magnet and plurality of terminals.

Abstract: The present invention comprises a flexible heat exchange assembly for heating and thermal control the surface of a seat that is designed to prevent the blockage of fluid flow due to the pressure of an occupant's weight, which generally consists of formed layers that create passages through which a heat exchange fluid flows. The upper surface seat cushioning material is formed such that there are recesses into which these fluid passages rest, thereby preventing the blockage of fluid flow when the pressure from the weight of an occupant deforms the cushion.

Abstract: The present invention provides a blow-off valve for an internal combustion engine. More specifically, the invention provides a blow-off valve with dual axis internal seal ring that works in axial and radial direction to improve the leakage while reducing the child parts of assembly. The blow-off valve provided comprises of a plunger body, a compression spring, a moving core, a two axis internal seal ring, a fix core, a bobbin, coil, coil housing, a plunger housing and terminals to power up the coil.

Abstract: The present invention provides a bank angle sensor for motor vehicles. More specifically, the invention provides a bank angle sensor with inbuilt hall sensor and mechanical failsafe mechanism to switch off the engine if the vehicle inclines from a prescribed limit and tends to tip over.

Abstract: The present invention provides a blow-off valve for an internal combustion engine. More specifically, the invention provides a dual spring blow-off valve to improve air pressure management in the intake system of a turbocharged vehicle when the throttle is lifted or closed. The main object of the invention is to provide a dual spring blow-off valve to improve air pressure management in the intake system of a turbocharged vehicle when the throttle is lifted or closed.

Abstract: A leak proof, completely sealed solenoid valve, comprising a housing 14 having a fluid flow path controlled via an electrically operated mechanism to control a flow; the mechanism comprises metallic coil 20 coiled around a bobbin 16 supported by a magnetic bracket 24 with terminal pins 18 connected to the bobbin 16 for receiving electrical input to facilitate an energized and de-energized state to control the movement of a poppet 34 shaft that obstructs the flow; wherein, the bobbin 16 comprises micro-melting fins, thereby housing over molding creates strong bond between two materials; a permanent weld is created between the bobbin 16 and the housing 14 to prevent internal leakage; and the completely sealed solenoid valve limits emissions and evaporations of the volatile fuel components into and from the valve, and contribute to reliability and robustness of the product by completely sealing the nozzle and housing using laser welding.

Abstract: A body armor system comprising an existing body armor vest with a plurality of armor plates, an adhering layer, an insulation layer and a plurality of heat exchangers wherein said plurality of armor plates is attached with said plurality of heat exchangers via said adhering layer; the plurality of heat exchangers comprises plurality of metallic plates made preferably of copper or aluminium with pipes brazed to the back-side of the metallic plates.

Abstract: The present invention relates to a non return valve, having a supporting structure in cap part (upper body portion) such as but not limited to a wall or any extrusion for better and improved self assembly and eliminates the leakage of the non return valve due to weld flash at sealing surface. In addition, a filter unit, which is either inbuilt or insert molded that can be assembled within the closed state of fully assembled non return valve unit. The present invention also relates to non return valve includes a cap (upper body portion), a filter, a diaphragm, a base for diaphragm, a compression spring, and a bottom body (lower body portion).