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US6634448B2 Expired / Lapsed US ⏱️ 0.0 years remaining

Riding lawn mower with improved radiator system

Assignee: LasTec Inc
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Filing: 2001-07-20
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Granted: 2003-10-21
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Expires: 2021-07-20
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Abstract

Abstract A riding lawn mower includes a frame; ground engaging wheels mounted with said frame; at least one cutting deck mounted to the frame; an engine mounted to the frame and operatively connected to drive said ground engaging wheels and said at least one cutting deck, said engine has fluid to be cooled; and, a radiator system, the radiator system including: a housing, a radiator having first and second opposing sides, mounted in the housing and operatively connected with said engine to intake fluid at a first temperature from said engine and to output fluid back to said engine at a second temperature, a screen mounted in the housing and adjacent the first side of the radiator, a bi-directional fan mounted in the housing adjacent the second side of the radiator and operable to direct an air flow in a standard direction first through the screen and then through the radiator and operable as desired to direct an airflow in a discharge direction, opposite the standard direction, first through the radiator and then through the screen, and switch means for switching the fan between the standard and discharge directions; and wherein the radiator and fan are mounted above said engine.

Inventors

  • 👤 Mark Bland

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 12:41
CPC Classifications
F; F01; F01P; F01P11/00; F01P11/12; B; B60; B60K; B60K11/00; B60K11/02; B60K11/04; B62; B62D; B62D25/00; B62D25/08; B62D25/10; F01P5/00; F01P5/02; F01P5/04; F01P5/043; B60Y; B60Y2200/00; B60Y2200/20; B60Y2200/22; B60Y2200/223; F01P11/06; F01P2011/063

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 185 words
A riding lawn mower, comprising: a frame; ground engaging wheels rotatably mounted with said frame; at least one cutting deck mounted to the frame; an engine mounted to the frame and operatively connected to drive said ground engaging wheels and said at least one cutting deck, said engine has fluid to be cooled; a radiator system including: a housing; a radiator having first and second opposing sides, mounted in the housing and operatively connected with said engine to intake fluid at a first temperature from said engine and to output fluid back to said engine at a second temperature, a screen mounted in the housing and adjacent the first side of the radiator; a bi-directional fan mounted with the housing adjacent the second side of the radiator and operable to direct an air flow in a standard direction first through the screen and then through the radiator and operable as desired to direct an airflow in a discharge direction, opposite the standard direction, first through the radiator and then through the screen; and, switch means for switching the fan between the standard and discharge directions.
Claim 2
Dependent Claim 185 words
A riding lawn mower, comprising: a frame; ground engaging wheels rotatably mounted with said frame; at least one cutting deck mounted to the frame; an engine mounted to the frame and operatively connected to drive said ground engaging wheels and said at least one cutting deck, said engine has fluid to be cooled; a radiator system including: a housing; a radiator having first and second opposing sides, mounted in the housing and operatively connected with said engine to intake fluid at a first temperature from said engine and to output fluid back to said engine at a second temperature, a screen mounted in the housing and adjacent the first side of the radiator; a bi-directional fan mounted with the housing adjacent the second side of the radiator and operable to direct an air flow in a standard direction first through the screen and then through the radiator and operable as desired to direct an airflow in a discharge direction, opposite the standard direction, first through the radiator and then through the screen; and, switch means for switching the fan between the standard and discharge directions.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 2006-10-20 2007-04-21 2007-10-21 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2010-10-20 2011-04-21 2011-10-21 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2014-10-20 2015-04-21 2015-10-21 $7700.00 Window Closed / Lapsed

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