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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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Применить Всего найдено 2. Отображено 2.
01-08-2013 дата публикации

LASER SHOCK PEENING APPLIED TO FUEL SYSTEM PUMP HEAD

Номер: US20130192564A1
Автор: Chen Yong-Ching, Cooper Jeffrey, Thakur Sanjay N.
Принадлежит: Cummins Inc.

A fuel pump for pressurizing fuel and transporting the pressurized fuel to a common rail of an automotive engine is disclosed. The inner surface regions are processed by laser shock peening so that the fuel pump can provide a highly pressurized fuel to the common rail. The fuel pump includes an inlet check valve bore fluidly connected to a dome, the dome is fluidly connected to an outlet check valve bore, and the outlet check valve bore is fluidly connected to an outer check valve seat. A fuel-side surface of the fuel pump has a laser shock peened surface. The laser shock peened surface includes one or more of the fuel-side surface(s) of the inlet check valve bore, the dome, the outlet check valve bore, and/or the outlet check valve seat. 1. A fuel pump head for a fuel pump that transports fuel to a common rail of an automotive engine , the fuel pump head comprising:a cavity for fuel flow,the cavity having a fuel-side surface,the fuel-side surface including a laser shock peened portion.2. The fuel pump head for a fuel pump according to claim 1 , wherein the cavity comprises:an inlet check valve bore, the inlet check valve bore being fluidly connected to a dome;the dome being fluidly connected to an outlet check valve bore; andthe outlet check valve bore fluidly connected to an outer check valve seat.3. The fuel pump head according to claim 2 , wherein the laser shock peened portion of the fuel-side surface includes at least one of the inlet check valve bore claim 2 , the dome claim 2 , the outlet check valve bore claim 2 , and the outlet check valve seat.4. A fuel pump for transporting fuel to a common rail of an automotive engine claim 2 , the fuel pump comprising:a cavity for fuel flow, the cavity including an inlet check valve bore, the inlet check valve bore being fluidly connected to a dome, the dome being fluidly connected to an outlet check valve bore, and the outlet check valve bore fluidly connected to an outer check valve seat,wherein a fuel-side surface ...

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Номер записи: 1
05-02-2015 дата публикации

APPARATUS, SYSTEM, AND METHOD FOR REINFORCING A BEND IN METALLIC MATERIAL

Номер: US20150034214A1
Автор: Chen Yong-Ching, Thakur Sanjay N.
Принадлежит: CUMMINS IP, INC.

Described herein is an apparatus for reinforcing a metallic material includes a rotatable tool that is insertable into the metallic material. The rotatable tool is configured to plastically deform the metallic material. The apparatus also includes a coolant delivery mechanism that is coupled to the rotatable tool. The coolant delivery mechanism is configured to deliver a coolant to the metallic material. 1. An apparatus for reinforcing a metallic material , comprising:a rotatable tool insertable into the metallic material, the rotatable tool configured to plastically deform the metallic material; anda coolant delivery mechanism coupled to the rotatable tool, the coolant delivery mechanism being configured to deliver a coolant to the metallic material.2. The apparatus of claim 1 , wherein the coolant delivery mechanism delivers coolant to the metallic material before the rotatable tool plastically deforms the metallic material.3. The apparatus of claim 2 , wherein the rotatable tool plastically deforms the metallic material to create a plastically deformed zone in the metallic material claim 2 , and wherein the coolant delivery mechanism delivers coolant to the plastically deformed zone.4. The apparatus of claim 3 , wherein the coolant delivery mechanism delivers coolant to a heat affected zone adjacent the plastically deformed zone.5. The apparatus of claim 4 , wherein the coolant delivery mechanism delivers coolant to the rotatable tool.6. The apparatus of claim 1 , wherein the coolant comprises a fluid claim 1 , and wherein the coolant delivery mechanism is configured to spray the fluid onto the metallic material.7. The apparatus of claim 6 , wherein the fluid comprises at least one of liquid nitrogen and compressed air.8. The apparatus of claim 1 , wherein the metallic material comprises a first surface and an opposing second surface claim 1 , the rotatable tool penetrating the first surface and not penetrating the second surface claim 1 , the apparatus further ...

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Номер записи: 2