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Caterpillar Sarl

Mark Andrew Minter

William E Gordon

Benjamin Michael Cheek

A work machine, such as a skid steer loader or a compact track loader, includes an air intake assembly for a heating, ventilation, and air conditioning (HVAC) unit. A conduit integrated into a structure supporting a roof over an operator cab accepts air and water from the atmosphere through an air inlet proximate the roof. A debris outlet downstream in the conduit allows gravity to return the water to the environment. Between the air inlet and the debris outlet, an orifice in the conduit connects to an air duct through which the air may be diverted by suction from the HVAC unit. An air filter at the end of the air duct removes remaining particulates from the air prior to conditioning by the HVAC unit. Sizing the cross-sectional areas of the air path to exceed a cross-sectional area of an inlet to the air filter and providing a substantially straight air path avoids resistance to air flow, resulting in efficient intake of cleaner air.

HVAC air retrieval system for work machine

This invention relates to modular connector structures that are shaped to receive the edges of printed circuit boards and that have contacts spaced a unit distance apart so that they can engage, separately, each of the contact pads, or fingers, spaced apart by the same unit distance along the surfaces of the boards. In particular, it relates to connector structures that have conversely shaped interlocking parts at their ends to interlock end-to-end with similar structures to form a substantially self-supporting connector that can have any desired number of contacts, each spaced an integral multiple of the same unit distance from all of the contacts on all of the modules.

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Apex, NC, United States of America

Mark Andrew Minter