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Patent
Publication NumberUS 20200149682Filing StatusPatent ApplicationAvailabilityUnknownFiling Date2020-01-10Publication Date2020-05-14
A fluid storage and pressurizing assembly includes a storage receptacle and a pump assembly. The storage receptacle includes an inner vessel defining a cryogen space for storing a fluid at a storage pressure and a cryogenic temperature, an outer vessel surrounding the inner vessel, and an insulated space between the inner vessel and the outer vessel, and a pump assembly. The pump assembly includes a pump immersed in the cryogen space having an inlet for receiving a quantity of fluid from the …
Patent
Publication NumberUS 20200124234Filing StatusPatent ApplicationAvailabilityUnknownFiling Date2019-11-05Publication Date2020-04-23
A cryogenic storage vessel having an inner vessel defining a cryogen space; an outer vessel spaced apart from and surrounding the inner vessel, defining a thermally insulating space between the inner vessel and the outer vessel; and a receptacle defining passages for delivery of liquefied gas from the cryogen space to outside the cryogenic storage vessel. The receptacle has an elongated outer sleeve defining an interior space in fluid communication with the thermally insulating space that is …
Patent
Publication NumberUS 20200114289Filing StatusPatent ApplicationAvailabilityUnknownFiling Date2017-12-22Publication Date2020-04-16
An improved filter apparatus for a cryogenic fluid includes a filter and a support. The filter includes a mesh having an internal space and an open end. The support is associated with the mesh for maintaining a volume of the internal space above a predetermined value. In operation cryogenic fluid enters the internal space through the mesh and exits the open end thereof.
Patent
Publication NumberUS 10605212Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-08-04Publication Date2020-03-31
A multi-fuel rail apparatus for an internal combustion engine communicates fuel from 10 a first fuel source and a second fuel source to a plurality of fuel injectors. Each fuel injector receives fuel from the multi-fuel rail apparatus through a branch connection for each fuel. The multi fuel rail apparatus has a first elongate member including a first longitudinal bore spaced apart from a second longitudinal bore and first and second fuel inlets for fluidly communicating first and second fuel…
Patent
Publication NumberUS 10598133Filing StatusIssued PatentAvailabilityUnknownFiling Date2015-10-23Publication Date2020-03-24
Venting of gaseous fuel during operation and after shutdown of an internal combustion engine increases emissions. A vent handling apparatus for a gaseous fuel system of an internal combustion engine comprises an accumulator for storing gaseous fuel; a first valve selectively enabling fluid communication between the accumulator and one of a gaseous fuel communication passage and a gaseous fuel storage vessel, the gaseous fuel communication passage delivering gaseous fuel to the internal combus…
Patent
Publication NumberUS 10551002Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-03-24Publication Date2020-02-04
A fluid storage and pressurizing assembly includes a storage receptacle and a pump assembly. The storage receptacle includes an inner vessel defining a cryogen space for storing a fluid at a storage pressure and a cryogenic temperature, an outer vessel surrounding the inner vessel, and an insulated space between the inner vessel and the outer vessel, and a pump assembly. The pump assembly includes a pump having an inlet disposed within the cryogen space for receiving a quantity of the fluid f…
Patent
Publication NumberUS 10550831Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-02-19Publication Date2020-02-04
Gaseous fuel downstream of a heat exchanger can be too cold for fuel system components when the temperature of engine coolant employed as a working fluid in the heat exchanger is too low to elevate gaseous fuel temperature, and it is possible for the engine coolant to freeze. A method of operating a cryogenic pump for controlling discharge temperature of a heat exchanger that vaporizes a process fluid received from the cryogenic pump with heat from a working fluid, where the cryogenic pump in…
Patent
Publication NumberCN 107360725 BFiling StatusIssued PatentAvailabilityUnknownFiling Date2016-03-24Publication Date2020-01-17
A fluid storage and pressurizing assembly includes a storage receptacle and a pump assembly. The storage receptacle includes an inner vessel defining a cryogen space for storing a fluid at a storage pressure and a cryogenic temperature, an outer vessel surrounding the inner vessel, and an insulated space between the inner vessel and the outer vessel, and a pump assembly. The pump assembly includes a pump having an inlet disposed within the cryogen space for receiving a quantity of the fluid f…
Patent
Publication NumberUS 10526983Filing StatusIssued PatentAvailabilityUnknownFiling Date2016-02-10Publication Date2020-01-07
It is a challenge to reduce unburned hydrocarbon emissions for gaseous fuelled engines, especially at low engine load conditions, to meet demanding emission regulation targets. A method for reducing unburned hydrocarbon emissions in a lean-burn internal combustion engine that is fuelled with a gaseous fuel comprises adjusting the timing for closing of an intake valve as a function of engine operating conditions by one of advancing timing for closing of the intake valve and closing the intake …
Patent
Publication NumberUS 10527005Filing StatusIssued PatentAvailabilityUnknownFiling Date2015-12-11Publication Date2020-01-07
An improved body defining a restricted fluid flow passage in a fuel supply system for delivering a gaseous fuel to an internal combustion engine. The body is formed for installation between and fluidly connecting a gaseous fuel supply conduit and a gaseous fuel flow passage that defines a predetermined volume between the restricted fluid flow passage and a nozzle chamber of a fuel injector from which the gaseous fuel is injected into the internal combustion engine. The restricted fluid flow p…
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