Autofill shutoff valve

An autofill shutoff valve comprising:

• a valve body;
• a lubricant flowpath extending through the valve body;
• a lubricant inlet extending into the valve body and connected to the lubricant flowpath;
• a first lubricant outlet extending into the valve body and connected to the lubricant flowpath, wherein the first lubricant outlet extends downwards within the valve body to be adjacent a lubricant reservoir and is configured to provide lubricant directly to the lubricant reservoir;
• and
• a valve stem extending through the lubricant flowpath between the lubricant inlet and the first lubricant outlet, wherein the valve stem is movable between a first position, corresponding to a refill reservoir state, and a second position, corresponding to a filled reservoir state;
• wherein the valve stem allows lubricant to flow from the lubricant inlet to the first lubricant outlet when the valve stem is in the first position and the valve stem seals the lubricant flowpath between the lubricant inlet and the first lubricant outlet when the valve stem is in the second position.

A method of automatically stopping the flow of lubricant to a lubricant reservoir when the lubricant reservoir is full, the method comprising:

• flowing lubricant through an autofill shutoff valve and directly to internal plumbing disposed within the lubricant reservoir through a lubricant outlet of the autofill shutoff valve;
• shifting an actuator upward in response to a rising level of lubricant in the lubricant reservoir;
• and
• actuating a valve stem from a first position to a second position with the actuator, wherein the valve stem blocks the flow of lubricant through the autofill shutoff valve when in the second position.

An autofill shutoff valve comprising:

• a valve body;
• a lubricant flowpath extending through the valve body;
• a lubricant inlet extending into the valve body and connected to the lubricant flowpath;
• a first lubricant outlet extending into the valve body and connected to the lubricant flowpath, wherein the first lubricant outlet adjacent a lubricant reservoir and is configured to provide lubricant directly to the lubricant reservoir;
• and
• a valve stem extending through the lubricant flowpath between the lubricant inlet and the first lubricant outlet, wherein the valve stem is movable between a first position, corresponding to a refill reservoir state, and a second position, corresponding to a filled reservoir state;
• a retaining member secured to the valve body, the retaining member comprising:
• a retaining body attached to the valve body adjacent the lubricant inlet;
• a throat seal disposed within the retaining body;
• an alignment sleeve disposed within the retaining body;
• and
• a retaining clip disposed within the retaining body and securing the alignment sleeve and the throat seal within the retaining body;
• wherein the first end of the valve stem extends through the throat seal, the alignment sleeve, and the retaining clip;
• wherein the first end of the valve stem extends through the retaining member
• wherein the valve stem allows lubricant to flow from the lubricant inlet to the first lubricant outlet when the valve stem is in the first position and the valve stem seals the lubricant flowpath between the lubricant inlet and the first lubricant outlet when the valve stem is in the second position.