An oil tank cap is adapted to be removably engaged with an oil inlet of an oil tank. The oil tank cap includes a cap body that is one-piece, that is plastic, and that includes a cap portion adapted to be disposed outside the oil inlet, and a plug portion extending from the cap portion along a central axis of the cap body and adapted to extend into the oil inlet. The plug portion has a surrounding surface that surrounds the central axis of the cap body, a base surface, an accommodating slot extending through the surrounding surface, and at least one recess formed in the base surface, extending towards the cap portion, and being isolated from the accommodating slot. The oil tank cap further includes a spring strip that has a positioning portion disposed in the accommodating slot, and two abutting portions extending outwardly of the accommodating slot.

The present invention is directed to a rebuildable engine casing for an internal combustion engine supporting a plurality of pistons. The engine casing forms and provides a novel oil squirter that can readily be serviced or rebuilt. The engine casing also includes a novel mechanism for separating the case members and a removable service plug for accessing the oil galleries. The present invention also provides for a rebuildable oil squirter.

An oil safety cap system for jet engines includes a safety cap that fits over an oil cap and an oil fill spout. The safety cap is attached to a locking pin. The safety cap also has a first locking pin aperture that extends through the safety cap to receive the locking pin. An attachment mechanism secures the safety cap over the oil cap and the oil fill spout. The attachment mechanism includes a first clamp half removably attached to a second clamp half. The first and second clamp halves extend around the oil fill spout, beneath the safety cap. A second locking pin aperture in the second clamp half also receives the locking pin. The locking pin apertures align when the safety cap is positioned on the oil fill spout. The looking pin extends through both apertures and secures the safety cap to the attachment mechanism.

Apparatuses are disclosed including an apparatus for machine fluid monitoring or sampling comprising a transparent sight glass attachable to a machine such that machine fluid is transferable to the sight glass. The sight glass may have one or more ports, an open first end, a closed second end, and a cavity for the machine fluid. A grommet may be positioned in a first port of the sight glass and may have a sealable access pathway through the grommet to the cavity within the sight glass through which a probe may be extended. A magnetic plug may be positioned in the second port of the sight glass extending into the cavity within the sight glass such that the magnetic plug is positionable for contact with the machine fluid. A sample port assembly may be connected to the sight glass whereby samples of the machine fluid are accessible.

An engine assembly includes a small air-cooled engine and a dry sump lubrication system including an external oil reservoir, wherein the dry sump lubrication system has an overall oil capacity that provides at least five hundred hours of engine oil life.

An oil filling assembly is configured to couple to an intake port of an engine to fill an oil tank connected to the intake port. The intake port is located behind an access door of the engine. The oil filling assembly includes a hopper defining an oil retention chamber that is configured to receive oil, and a coupler extending from the hopper. The coupler includes a neck defining an oil outlet fluidly connected to the oil retention chamber. The coupler is configured to removably mount to the intake port of the engine.

Systems and methods for capturing fluid change history in a vehicle are provided. A method includes: detecting, by a computer device, a fill cap is removed from an inlet port of a fluid reservoir or a drain plug is removed from an outlet port of the fluid reservoir; activating, by the computer device and based on the detecting, one of a fill sensor and a drain sensor; obtaining, by the computer device, fluid characteristics data from one of the fill sensor and the drain sensor; determining, by the computer device, at least one fluid parameter based on the fluid characteristics data; and transmitting, by the computer device, the determined at least one fluid parameter to a remote system via a communication network that is external to the vehicle.

A tube assembly for monitoring a fluid dispensed into a fluid fill port is disclosed. The tube assembly may include a tube body disposed between a first and second open end. A locking portion including a circumferential groove may be defined adjacent to the first open end and a fill portion may be defined at the second open end of the tube body. An aperture may extend through an outer surface of the tube body and a sensor may be inserted into the aperture such that at least a portion of the sensor is positioned within the interior portion of the tube body. The sensor may be configured to monitor at least one fluid characteristic of the fluid that is dispensed into the tube assembly and flows into the fluid fill port.

A closing structure includes: a fluid reservoir in which a fluid is to be stored; a tube member extending in a tubular shape, the tube member having a mouth end surface formed at a tip in an axial direction, the tube member having an inside communicating with the fluid reservoir; a gasket disposed on the mouth end surface; an end cap attached to the tube member, the end cap being configured to close the tube member at the mouth end surface through the gasket; and a clamping piece fixed to the end cap, the clamping piece being configured to clamp the gasket between the clamping piece and the end cap.