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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Применить Всего найдено 4. Отображено 4.
22-01-2015 дата публикации

Fuel injector nozzle

Номер: US20150020778A1
Автор: Abhijit P. Upadhye, Josef Morell
Принадлежит: International Engine Intellectual Property Co LLC

A fuel injector includes a needle moveable along a central axis to initiate and terminate an injection event, and a nozzle body that receives the needle. The nozzle body includes a needle seat, a nozzle sac, and a passageway between the needle seat and the nozzle sac. The passageway defines a passageway inner surface. The nozzle sac has a curved, non-spherical profile and defines a sac inner surface that extends away from a distal end of the passageway inner surface.

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Номер записи: 1
12-02-2015 дата публикации

FUEL INJECTOR NEEDLE SLEEVE

Номер: US20150040867A1
Автор: Morell Joset, Upadhye Abhijit P.
Принадлежит: International Engine Intellectual Property Company, LLC

A fuel injector for a fuel injection system includes a nozzle body defining a nozzle body chamber, a needle movably received within the nozzle body chamber for movement between a seated position and a raised position, and a needle sleeve at least partially surrounding the needle and at least partially defining a control volume. The needle moves from the seated position to the raised position in response to a pressure differential between the control volume and the nozzle body chamber. When the needle is in the seated position clearance exists between the needle sleeve and the needle thereby permitting fuel flow between the control volume and the nozzle body chamber, and when the needle is in the raised position, the needle sleeve deforms to reduce the clearance and restrict fuel flow between the control volume and the nozzle body chamber. 1. A fuel injector comprising:a nozzle body defining a nozzle body chamber;a needle movably received within the nozzle body chamber for movement between a seated position and a raised position; anda needle sleeve at least partially surrounding the needle and at least partially defining a control volume, wherein the needle moves from the seated position to the raised position in response to a pressure differential between the control volume and the nozzle body chamber, wherein when the needle is in the seated position clearance exists between the needle sleeve and the needle thereby permitting fuel flow between the control volume and the nozzle body chamber, and wherein when the needle is in the raised position, the needle sleeve deforms to reduce the clearance and restrict fuel flow between the control volume and the nozzle body chamber.2. The fuel injector of claim 1 , wherein the needle sleeve deforms in response to the pressure differential between the control volume and the nozzle body chamber.3. The fuel injector of claim 1 , wherein the needle sleeve is substantially annular and deforms in a generally radially inward ...

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Номер записи: 2
15-11-2018 дата публикации

REAGENT INJECTOR

Номер: US20180328249A1
Автор: Brockman Alan, Upadhye Abhijit P.
Принадлежит:

An injector for injecting a reagent includes a first injector body defining a first end and a second end. The first injector body further includes an outlet opening disposed proximal to the second end. The injector further includes a valve assembly at least partly enclosed by the first injector body. The valve assembly is configured to selectively dispense the reagent through the outlet opening of the first injector body. The injector further includes a cover member coupled to the first injector body and adapted to at least partially cover the second end of the first injector body. The cover member includes an integral flange portion for mounting the injector on a component. 1. An injector for injecting a reagent , the injector comprising:a first injector body defining a first end and a second end, the first injector body further including an outlet opening disposed proximal to the second end;a valve assembly at least partly enclosed by the first injector body, wherein the valve assembly is configured to selectively dispense the reagent through the outlet opening of the first injector body; anda cover member coupled to the first injector body and adapted to at least partially cover the second end of the first injector body, the cover member including an integral flange portion for mounting the injector on a component.2. The injector of claim 1 , wherein the cover member further includes a cup portion claim 1 , and wherein the cup portion and the first injector body further define a fluid chamber.3. The injector of claim 2 , further including:a fluid inlet in fluid communication with the fluid chamber; anda fluid outlet in fluid communication with the fluid chamber.4. The injector of claim 3 , wherein the fluid inlet is arranged to receive a fluid that is different from the reagent.5. The injector of claim 2 , wherein the first injector body further includes a conduit portion that defines the outlet opening claim 2 , and wherein the cup portion of the cover member ...

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Номер записи: 3
15-11-2018 дата публикации

Reagent injector freeze protection

Номер: US20180328250A1
Автор: Abhijit P Upadhye, Alan Brockman, Mark DeVito, Olaf Enke
Принадлежит: Tenneco Automotive Operating Co Inc

An injector for injecting a reagent includes a first injector body and a second injector body. The first injector body includes an outlet opening. The second injector body includes a reagent tube. The second injector body is movable relative to the first injector body. The injector further includes a valve assembly at least partly enclosed by the first injector body. The valve assembly is configured to selectively dispense the reagent through the outlet opening of the first injector body. The injector further includes a spring member positioned between the first injector body and the second injector body. The spring member is pre-loaded to bias the second injector body towards the first injector body. The spring member is further configured to limit a maximum movement of the second injector body relative to the first injector body in response to expansion of the reagent during freezing.

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Номер записи: 4