Raincap precleaner, motor vechile having a raincap precleaner, and method for precleaning air

A technology for motor vehicles and filters, applied in chemical instruments and methods, methods for reacting gaseous media with gaseous media, fuel air filters, etc., can solve problems such as limited space for pre-filters

Active Publication Date: 2010-12-08
DONALDSON CO INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the engine's air filter is usually located in the engine compar

Method used

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  • Raincap precleaner, motor vechile having a raincap precleaner, and method for precleaning air
  • Raincap precleaner, motor vechile having a raincap precleaner, and method for precleaning air
  • Raincap precleaner, motor vechile having a raincap precleaner, and method for precleaning air

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Embodiment Construction

[0021] see now figure 1 , reference numeral 10 shows the air intake system. Generally, the air intake system 10 is configured to receive outside (ambient) air and to clean the outside air to remove water and particulates so that the cleaned air can be used by an engine, such as an internal combustion engine. The air intake system 10 includes a rain cap pre-cleaner 12 which receives ambient air through an annular opening 14 and provides pre-cleaned air to flow through a vertical duct or riser 16 and into the air cleaner 18 , the air is cleaned in the air cleaner to provide clean air to flow through the clean air outlet 20 . The resulting purified air can then be used in an engine, such as an internal combustion engine. The air filter 18 may be provided as any type of air filter capable of cleaning the air sufficiently to remove dust and particulates so that the resulting cleaned air can be used by the engine. Exemplary air filters that may be used include those available fro...

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Abstract

A raincap precleaner (12) is provided according to the present invention. The raincap precleaner includes a sleeve (34), a cover (32), and a precleaner assembly (36). The sleeve is constructed for mounting on an air intake stack and has an air intake flow region for delivering intake air to the air intake stack. The cover includes a top portion (44) having an annular circumference and a depending flange portion (46) extending from the annular circumference of the top portion. The cover is arranged relative to the sleeve to provide a precleaner area and a precleaned air chamber. The precleaner assembly is provided extending around a periphery of the sleeve and in the precleaner area so that environmental air flows through the precleaner assembly and into the precleaned air chamber, and from the precleaned air chamber into the air intake flow region. The precleaner assembly comprises a plurality of inertial separators (70). A method for precleaning air and a motor vehicle are provided.

Description

[0001] This application was filed as a PCT International Patent Application on February 13, 2009, as applicant for Donaldson Corporation, a U.S. company when designating all countries except the U.S., and as applicants for U.S. citizens BennyKevinNelson and NilabhNarayan when designating the U.S. only, And priority is claimed to US Provisional Patent Application Serial No. 61 / 066,028, filed February 14, 2008. [0002] Cross References to Related Applications [0003] This application incorporates the disclosure of US Provisional Application No. 61 / 066,028, filed February 14, 2008, with the US Patent and Trademark Office. This application claims priority to US Provisional Application No. 61 / 066,028, in due course. The entire disclosure of US Provisional Application No. 61 / 066,028 is hereby incorporated by reference. technical field [0004] The present invention relates to a rain cap precleaner, a motor vehicle having a rain cap precleaner, and a method of pre-cleaning air be...

Claims

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Application Information

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IPC IPC(8): F02M35/08
CPCF02M35/02F02M35/022B01D45/16Y10S55/28B01D45/04B01D50/002F02M35/10013B01D2279/60F02M35/08F02M35/084B01D50/20
Inventor B·K·尼尔森J·D·库恩N·纳拉杨
Owner DONALDSON CO INC
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