Cooling system for engine mounted on vehicle

• US 5,036,931 A
• Filed: 06/19/1990
• Issued: 08/06/1991
• Est. Priority Date: 10/07/1988
• Status: Expired due to Fees

• Current Assignee: Kubota Corporation
• Original Assignee: Kubota Corporation
• Inventors: Iritani, Hirofumi
• Primary Examiner(s): Mitchell, David M.
• Application Number:
  US07/540,390
• Time in Patent Office: 413 Days
• Field of Search: 180/68.1, 180/68.4
• US Class Current: 180/68.1
• CPC Class Codes: B60K 11/08 Air inlets for cooling; Shutters or blinds therefor radiator or grille guards B60R19/52

Abstract

A cooling system for an engine mounted in a front portion of a vehicle having a radiator disposed between the engine and a driver'"'"'s seat, a fan mounted in proximity to the radiator for directing cooling air from the driver'"'"'s seat to the engine through the radiator, and a cooling air flow passage for interconnecting the fan and ambient air. The cooling air flow passage is provided with an air inlet located away from the driver'"'"'s seat and defined in the front portion of the vehicle at a forward position than a region of the radiator, extends from the air inlet and is defined by a partition plate and an engine hood.

Claims

1. A cooling system for an engine mounted in a front portion of a vehicle, said engine being positioned forwardly of a driver'"'"'s seat and covered by a hood, said cooling system comprising;

a radiator disposed between said engine and said driver'"'"'s seat,

a fan mounted in proximity to said radiator between said radiator and said engine for drawing cooling air from an area along said hood forward for the driver'"'"'s seat to said engine through said radiator, and

cooling air flow passage means for taking in cooling air, said air flow passage means including an air inlet defined in the front portion of the vehicle at positions forward of a region of said radiator, said air inlet intercommunicating with said fan, a first noise absorption means between said radiator and an intermediate member, and a second noise absorption means between said intermediate member and said hood which prevents air from being drawn around said radiator.

2. A cooling system as claimed in claim 1 wherein said cooling air flow passage means extends from said air inlet and is provided with a passage defined by a partition plate and said hood.

3. A cooling system as claimed in claim 1 wherein said air inlet is facing the front of the vehicle.

4. A cooling system as claimed in claim 3 wherein said air inlet is positioned substantially at a position opposite a region of said engine juxtaposed said fan.

5. A cooling system as claimed in claim 1 wherein said air inlet is defined in a lateral side face of said hood.

6. A cooling system as claimed in claim 2 wherein said air inlet is defined in a front face of said hood.

7. A cooling system as claimed in claim 5 wherein said cooling air flow passage means is defined by a partition plate interconnecting said air inlet, said radiator, and said hood.

8. A cooling system as set forth in claim 1 which includes

noise absorption means between a portion of said air inlet and said hood.

9. A cooling system as set forth in claim 1 which includes air filter means in said inlet which filters incoming air.

10. A cooling system as set forth in claim 8 which includes air filter means in said inlet which filters incoming air.