Elastomeric engine mount with hydraulic damping

Abstract From the Canadian patent

A hydraulic mounting device for resiliently supporting an engine on a frame includes a support bracket for attachment to a vehicle frame and a cord insert for attachment to an engine. A first chamber and second chamber is formed therein. A partition separates the first and second chamber. The partition includes a first aperture to allow fluid flow between the first and second chamber. The partition also includes a third chamber formed between the first and second chamber and a second aperture in the third chamber to allow fluid flow between the first and second and third chamber. The third chamber includes a plug disposed therein for floating in the third chamber and for opening the second …