GB2110174A - Water-proof structure for air cleaner of automotive internal combustion engine - Google Patents

Water-proof structure for air cleaner of automotive internal combustion engine Download PDF

Info

Publication number
GB2110174A
GB2110174A GB08230752A GB8230752A GB2110174A GB 2110174 A GB2110174 A GB 2110174A GB 08230752 A GB08230752 A GB 08230752A GB 8230752 A GB8230752 A GB 8230752A GB 2110174 A GB2110174 A GB 2110174A
Authority
GB
United Kingdom
Prior art keywords
vertical member
water
proof structure
air cleaner
splash guard
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
GB08230752A
Other versions
GB2110174B (en
Inventor
Toshio Yasaku
Kiyotaka Suzuki
Kazuo Samura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nissan Motor Co Ltd
Original Assignee
Nissan Motor Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nissan Motor Co Ltd filed Critical Nissan Motor Co Ltd
Publication of GB2110174A publication Critical patent/GB2110174A/en
Application granted granted Critical
Publication of GB2110174B publication Critical patent/GB2110174B/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10006—Air intakes; Induction systems characterised by the position of elements of the air intake system in direction of the air intake flow, i.e. between ambient air inlet and supply to the combustion chamber
    • F02M35/10013—Means upstream of the air filter; Connection to the ambient air
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/08—Air inlets for cooling; Shutters or blinds therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K13/00—Arrangement in connection with combustion air intake or gas exhaust of propulsion units
    • B60K13/02—Arrangement in connection with combustion air intake or gas exhaust of propulsion units concerning intake
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/16—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines characterised by use in vehicles
    • F02M35/161—Arrangement of the air intake system in the engine compartment, e.g. with respect to the bonnet or the vehicle front face
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/02—Air cleaners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M35/00—Combustion-air cleaners, air intakes, intake silencers, or induction systems specially adapted for, or arranged on, internal-combustion engines
    • F02M35/10—Air intakes; Induction systems
    • F02M35/10091—Air intakes; Induction systems characterised by details of intake ducts: shapes; connections; arrangements
    • F02M35/10137—Flexible ducts, e.g. bellows or hoses

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Transportation (AREA)
  • Body Structure For Vehicles (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

A water-proof structure for an air cleaner (8) having an air suction duct (9) and mounted on the body structure of an automotive vehicle, wherein a downwardly closed space (20) is formed by members integral with or secured to the body structure of the vehicle and a splash guard plate (19) secured to such members and located at the bottom of the space (20), the air suction duct (9) of the air cleaner (8) extending and opening upwardly into such a space (20) and communicating with the open air through a gap (15) formed by at least one of the above mentioned members. <IMAGE>

Description

SPECIFICATION Water-proof structure for air cleaner of automotive internal combustion engine The present invention relates to a water-proof structure for an air cleaner of an internal combustion engine installed on an automotive vehicle.
An air cleaner of an automotive internal combustion engine installed on an automotive vehicle has an air suction duct which is ordinarily located vertically between a front portion of the vehicle body and the front road wheels. Such location of the air suction duct of an air cleaner is advantageous to enable the air cleaner to suck in relatively cold atmospheric air from ahead of the vehicle and to charge the engine with air efficiently.
An air cleaner thus arranged on the body structure of an automotive vehicle is usually provided with a water-proof structure adapted to protect the air suction duct of the air cleaner from splashes from the front road wheels and to prevent entry of water into the air cleaner when, for example, the vehicle is running on a rain-wet or muddy road or land surface.
A prior-art water-proof structure has however not been fully acceptable to accomplish such a purpose as will be discussed in detail. An object of the present invention is to provide an improved waterproof structure capable of satisfactorily protecting the air suction duct of an air cleaner from splashes from the front road wheels so as to prevent an ingress of water into the air cleaner during operation of the internal combustion engine.
In accordance with the present invention, there is provided a water-proof structure for an air cleaner having an air suction duct and mounted on the body structure of an automotive vehicle, comprising a horizontal panel member having a raised front end portion, a front vertical member positioned in front of the panel member, first and second longitudinal members extending rearwardly from the front vertical member and spaced apart from each other laterally of the vehicle body, a first splash guard plate positioned below the raised front end portion of the horizontal panel member and securely connected along its front end to the front vertical member and along its rear end to the raised front end portion of the panel member for forming a downwardly closed space defined vertically of the vehicle body between the raised front end portion of the panel member and the splash guard plate, longitudinally of the vehicle body between the raised front end portion of the panel member and the front vertical member and laterally of the vehicle body between the first and second longitudinal members, the splash guard plate being formed with an opening through which the air suction duct of the air cleaner extends and opens into the above mentioned space, means providing communication between the space and the atmosphere, and a second splash guard plate projecting forwardly from the front vertical member and positioned below the aforesaid means. The air suction duct of the air cleaner protected by the water-proof structure thus constructed and arranged is preferably open upwardly into the aforesaid space through the opening in the first splash guard plate. If desired, the second splash guard plate may be dispensed with.
The drawbacks of a prior-art water-proof structure for an air cleaner and the features and advantages of a water-proof structure according to the present invention will be more clearly understood from the following description taken in conjunction with the accompanying drawings in which: Fig. 1 is a fragmentary perspective view showing an example of a prior-art water-proof structure for an air cleaner of an internal combustion engine installed on an automotive vehicle; Fig. 2 is a sectional view taken on a vertical plane indicated by line ll-ll in Fig. 1; Fig. 3 is a schematic perspective view showing part of a water-proof structure embodying the present invention; Fig. 4 is a sectional view taken on a vertical plane indicated by line lV-lV in Fig. 3; and Fig. 5 is a sectional view taken on a horizontal plane indicated by line V-V in Fig. 4.
Referring to Figs. 1 and 2 of the drawings, an air cleaner 1 serving as an air intake unit of an automotive internal combustion engine has an air intake duct 2 and is fixedly positioned below a front floor panel 3 and in conjunction with a frame 4 and a cross member 5 which form part of the body structure of an automotive vehicle. A prior-art water-proof structure for such an air cleaner 1 comprises a first or vertical splash guard panel 6 and a second or horizontal splash guard panel 7. The vertical splash guard panel 6 is positioned in front of the air cleaner 1 and is fixedly secured to the underside of the front floor panel 3 as will be better seen from Fig. 2. The horizontal splash guard panel 7 is positioned below the vertical splash guard panel 6 and is fixedly secured to the frame 4.The vertical splash guard panel 6 has a U-shaped horizontal cross section and is formed with a slot through which the air intake duct 2 of the air cleaner 1 extends upwardly into the spaced parallel wall portions of the vertical splash guard panel 6. The air intake duct 2 of the air cleaner 1 is thus guarded horizontally by the vertical splash guard panel 6 and from below by the horizontal splash guard panel 7 and is protected from splashes from the front road wheels (not shown) when the vehicle is running on a rain-wet or muddy road or land surface.
The air intake duct 2 of the air cleaner 1 thus arranged is open to a vent (not shown) formed in a structural member of the vehicle body and sucks in atmospheric air through this vent. The vent in an automotive vehicle having a water-proof structure of the above described nature is located below the front floor panel 3. For this reason and further because of the fact that the air intake duct 2 of the air cleaner 1 has an air inlet end located at a relatively low level, water is allowed into the air cleaner 1 when, for example, the vehicle is running on a submerged road and the surface of the water ahead of the front road wheels is forced forwardly of the vehicle and is as a consequence raised over the road surface by the road wheels. Water may also be admitted into the air cleaner 1 by the splashes from the front road wheels.A prior-art water-proof structure is thus not fully acceptable to prevent an ingress of water into an air cleaner.
Referring to Figs. 3,4 and 5 of the drawings, an air cleaner 8 protected by a water-proof structure embodying the present invention is shown having an air suction duct 9 and securely mounted on a suitable longitudinal structural member 10 of the body structure of an automotive vehicle. The vehicle body includes a horizontal panel member constituted by a floor panel 11 having a raised front end portion 12 at the rear ofafront radiator grille structure 13. In front of the floor panel 11 and at the rear of the radiator grille structure 13 is provided a front vertical member constituted by a front bolster 14formedwith an opening l5throughwhich a head lamp 16 directed forwardly of the vehicle body are fitted to the front bolster 14.The floor panel 11 is integral with or securely connected to first and second longitudinal members which are respectively constituted, in the embodiment herein shown1 by a longitudinal floor member 17 and an inner component member 18 of a step-sill structure having a step member (not shown) mounted thereon. The floor member 17 and the inner component member 18 of the step-sill structure longitudinally extend rearwardly from the front bolster 14 below the floor panel 11 and are spaced apart from each other laterally or transversely of the vehicle body.
Afirst splash guard plate 19 is positioned below the raised front end portion 12 of the floor panel 11 and is securely connected along its front end to the front bolster 14 and along its rear end to the raised front end portion 12 as will be best seen from Fig. 4.
A space 20 having a closed lower end is accordingly defined vertically of the vehicle body between the first splash guard plate 19 and the raised front end portion 12 of the floor panel 11, longitudinally of the vehicle body between the front bolster 14 and the raised front end portion 12 of the floor panel 11 and laterally of the vehicle body between the floor member 17 and the inner component member 18 of the stepsill structure. The first splash guard plate 19 is formed with an opening 21 through which the air suction duct 9 of the air cleaner 8 extends and opens upwardly as at 22 into the space 20.The opening 15 formed in the front bolster 14 is sized in such a manner as to form a gap between the front bolster 14 and the head lamp 16 so that the above mentioned space 20 is allowed to be open to the atmosphere through this gap and the slots formed in the front radiator grille structure 13. Below the head lamp 16 is positioned a second splash guard plate 23 which is securely connected to the front bolster 14 and which project forwardly from the lower end of the front bolster 14 as will be best seen from Fig. 4.
The second splash guard plate 23 is adapted to protect the air suction duct 9 of the air cleaner 8 from splashes from the front road wheels (not shown).
The air suction duct 9 of the air cleaner 8 is fitted to the first splash guard plate 19 preferably by means of an elastic member 24 adapted to absorb vibrations of the air suction duct 9. The air cleaner 8 communicates with the air intake unit of an internal combustion engine through an airfeed hose 25 as will be best seen from Fig. 3.
When the engine is in operation, atmospheric air passed through the slots in the front radiator grille structure 16 is admitted into the space 20 through the gap formed between the front bolster 14 and the head lamp 16 and is sucked into the air suction duct 9 of the air cleaner 8. If the vehicle is running on a rain-wet or muddy road or land surface, the splashes from the front road wheels are caused to impinge partially upon the lower surface of the first splash guard plate 19 and partially upon the lower surface of the second splash guard plate 23. The splashes caused to impinge upon the lower surface of the first splash guard plate 19 are thus precluded from being admitted into the space 20. The splashes caused to impinge upon the lower surface of the second splash guard plate 23 are precluded from reaching the gap between the front bolster 14 and the head lamp 16.
Because, furthermore, of the fact that the air suction duct 9 of the air cleaner 8 has its upwardly open end 22 located at a relatively high level, an ingress of water into the air suction duct 9 of the air cleaner 8 can be prevented even when the vehicle is running on a submerged road.
While the gap providing communication between the space 20 and the open air is formed in portions of the front bolster 14 in the hereinbefore described embodiment, such a gap may be formed between the raised front end portion 12 of the floor panel 11 and the upper end of the front bolster 14 or may be substituted by an opening formed in a suitable member additionally attached to the vehicle body, though not shown in the drawings. It will be also apparent that the space 20 into which the air suction duct 9 of the air cleaner 8 is open has been described to be formed by the front bolster 14, the longitudinal floor member 17 and the inner component member 18 of the step-sill structure but may be defined by any other structural members of the vehicle body.

Claims (12)

1. A water-proof structure for an air cleaner having an air suction duct comprising a horizontal panel member having a raised front end portion, a front vertical member positioned in front of the panel member, first and second longitudinal members extending rearwardly from said front vertical member and spaced apartfrom each other laterally of the vehicle body, a splash guard plate positioned below the raised front end portion of said horizontal panel member and securely connected along its front end to said front vertical member and along its rear end to said raised front end portion for forming a downwardly closed space defined vertically of the vehicle body between said raised front end portion and said splash guard plate, longitudinally of the vehicle body between said raised front end portion and said front vertical member and laterally of the vehicle body between said first and second longitudinal members, said splash guard plate being formed with an opening through which the air suction duct of said air cleaner extends and opens into said space.
and means providing communication between said space and the atmosphere.
2. A water-proof structure for an air cleaner having an air suction duct comprising a horizontal panel member having a raised front end portion, a front vertical member positioned in front of the panel member, first and second longitudinal members extending rearwardly from said front vertical member and spaced apart from each other laterally of the vehicle body, a first splash guard plate positioned below the raised front end portion of said horizontal panel member and securely connected along its front end to said front vertical member and along its rear end to said raised front end portion for forming a downwardly closed space defined vertically of the vehicle body between said raised front end portion and said splash guard plate, longitudinally of the vehicle body between said raised front end portion angel said front vertical member and laterally of the vehicle body between said first and second longitudinal members, said splash guard plate being formed with an opening through which the air suction duct of said air cleaner extends and opens into said space, means providing communication between said space and the atmosphere, and a second splash guard plate projecting forwardly from said front vertical member and positioned below said means.
3. A water-proof structure as set forth in claim 1 or 2, in which the air suction duct of said air cleaner is open upwardly into said space through the opening in said first splash guard plate.
4. A water-proof structure as set forth in claim 1 or 2, in which said horizontal panel member and said vertical member are respectively constituted by a floor panel and a front bolster of the vehicle body.
5. A water-proof structure as set forth in claim 1 or 2, in which said first and second longitudinal members are respectively constituted by a longitudinal floor member and an inner component member of a step-sill structure.
6. A water-proof structure as set forth in claim 1 or 2, in which said horizontal panel member and said vertical member are respectively constituted by a floor panel and a front bolster of the vehicle body and in which said first and second longitudinal members are respectively constituted by a longitudinal floor member and an inner component mem berofa step-sill structure.
7. A water-proof structure as set forth in claim 1 or 2, in which said means comprises a portion of said front vertical member, said portion of the front vertical member being formed with an opening through which a head lamp is fitted to the front vertical member, said opening in the front vertical member being sized to form between the front vertical member and the head lamp a gap which is open to said space.
8. A water-proof structure as set forth in claim 1 or 2, in which said means comprises a portion of said horizontal panel member and a portion of said front vertical member, the portions of the horizontal panel member and the front vertical member forming therebetween a gap which is open to said space.
9. Awater-proofstructure as set forth in claim 1 or 2, in which said means comprises a member secured to the vehicle body and formed with a gap which is open to said space.
10. A water-proof structure as set forth in claim 1, further comprising an elastic member fitted between said splash guard plate and the air suction duct of said air cleaner and adapted to absorb vibrations of the air suction duct.
11. Awater-proof structure as set forth in claim 2, further comprising an elastic member fitted between said first splash guard plate and the air suction duct of said air cleaner and adapted to absorb vibrations of the air suction duct.
12. A water-proof structure for an air cleaner substantially as described with reference to, and as illustrated in Figs. 3 to 5 of the accompanying drawings.
GB08230752A 1981-10-29 1982-10-28 Water-proof structure for air cleaner of automotive internal combustion engine Expired GB2110174B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17208581A JPS5874865A (en) 1981-10-29 1981-10-29 Apparatus for preventing intrusion of water into air cleaner

Publications (2)

Publication Number Publication Date
GB2110174A true GB2110174A (en) 1983-06-15
GB2110174B GB2110174B (en) 1985-03-06

Family

ID=15935258

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08230752A Expired GB2110174B (en) 1981-10-29 1982-10-28 Water-proof structure for air cleaner of automotive internal combustion engine

Country Status (4)

Country Link
JP (1) JPS5874865A (en)
AU (1) AU535167B2 (en)
ES (1) ES277061Y (en)
GB (1) GB2110174B (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2622639A1 (en) * 1987-10-30 1989-05-05 Daimler Benz Ag DEVICE FOR PREVENTING THE INPUT OF WATER IN AN AIR FILTER HOUSING
GB2227215A (en) * 1988-12-07 1990-07-25 Daimler Benz Ag Motor vehicle front engine air intake arrangement
DE19520155A1 (en) * 1995-06-01 1996-12-05 Mann & Hummel Filter Locking system
DE19818237A1 (en) * 1998-04-23 1999-10-28 Volkswagen Ag Bulkhead for the combustion air of an internal combustion engine
US6340066B1 (en) 1995-01-20 2002-01-22 Engelhard Corporation Pollutant treating devices and methods of making the same
US6586359B1 (en) 1998-03-23 2003-07-01 Engelhard Corporation Catalytic material for treating pollutant-containing gases
US6616903B2 (en) 1995-01-20 2003-09-09 Engelhard Corporation Method and apparatus for treating the atmosphere
EP1426224A1 (en) * 2002-12-07 2004-06-09 Dr.Ing. H.C. F. Porsche Aktiengesellschaft Air intake system for an IC engine
US6818254B1 (en) 1995-01-20 2004-11-16 Engelhard Corporation Stable slurries of catalytically active materials
CN101058292B (en) * 2006-04-20 2011-08-24 本田技研工业株式会社 Front vehicle body structure
FR2971168A1 (en) * 2011-02-08 2012-08-10 Peugeot Citroen Automobiles Sa Device for introducing air into onboard integrated air utilizing system i.e. internal combustion engine, of moving vehicle, has air deflection system located in front of inlet opening to deflect mass elements contained in air via passage
CN103291511A (en) * 2013-06-14 2013-09-11 无锡伊佩克科技有限公司 Air inlet protective device of automobile engine

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS561821B2 (en) * 1974-04-08 1981-01-16

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2622639A1 (en) * 1987-10-30 1989-05-05 Daimler Benz Ag DEVICE FOR PREVENTING THE INPUT OF WATER IN AN AIR FILTER HOUSING
GB2227215A (en) * 1988-12-07 1990-07-25 Daimler Benz Ag Motor vehicle front engine air intake arrangement
GB2227215B (en) * 1988-12-07 1993-06-30 Daimler Benz Ag A vehicle including an air intake device.
US6818254B1 (en) 1995-01-20 2004-11-16 Engelhard Corporation Stable slurries of catalytically active materials
US6340066B1 (en) 1995-01-20 2002-01-22 Engelhard Corporation Pollutant treating devices and methods of making the same
US6616903B2 (en) 1995-01-20 2003-09-09 Engelhard Corporation Method and apparatus for treating the atmosphere
DE19520155A1 (en) * 1995-06-01 1996-12-05 Mann & Hummel Filter Locking system
US6685898B2 (en) 1998-03-23 2004-02-03 Engelhard Corporation Hydrophobic catalytic materials and method of forming the same
US6586359B1 (en) 1998-03-23 2003-07-01 Engelhard Corporation Catalytic material for treating pollutant-containing gases
DE19818237A1 (en) * 1998-04-23 1999-10-28 Volkswagen Ag Bulkhead for the combustion air of an internal combustion engine
EP0952025A3 (en) * 1998-04-23 2000-11-15 Volkswagen Aktiengesellschaft Partition body for the combustion air of an internal combustion enginge
EP1426224A1 (en) * 2002-12-07 2004-06-09 Dr.Ing. H.C. F. Porsche Aktiengesellschaft Air intake system for an IC engine
US7059439B2 (en) 2002-12-07 2006-06-13 Dr. Ing. H.C.F. Porsche Aktiengesellschaft Exhaust gas arrangement for a motor vehicle
CN101058292B (en) * 2006-04-20 2011-08-24 本田技研工业株式会社 Front vehicle body structure
FR2971168A1 (en) * 2011-02-08 2012-08-10 Peugeot Citroen Automobiles Sa Device for introducing air into onboard integrated air utilizing system i.e. internal combustion engine, of moving vehicle, has air deflection system located in front of inlet opening to deflect mass elements contained in air via passage
CN103291511A (en) * 2013-06-14 2013-09-11 无锡伊佩克科技有限公司 Air inlet protective device of automobile engine

Also Published As

Publication number Publication date
JPS5874865A (en) 1983-05-06
ES277061U (en) 1984-07-01
GB2110174B (en) 1985-03-06
AU535167B2 (en) 1984-03-08
AU8930582A (en) 1983-05-19
ES277061Y (en) 1985-02-16

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PCNP Patent ceased through non-payment of renewal fee

Effective date: 19921028