Did You Know...
...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!
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| Number | Title | Issue Date |
| 5964467 | Oil control ring of two piece type for internal combustion engine The oil control ring 1 is provided to attach in an annular groove 10 formed in a piston 2 for internal combustion engine. The spacer expander 4 comprises a base 8, a plurality of supports 6 and a plurality of arms 7. The supports 6 and arms 7 are integral... | 10/12/1999 |
| 5193820 | Three-piece type oil ring assembly A three-piece type oil ring assembly adapted to be fitted in an oil ring groove of a piston disposed within a cylinder comprises a spacer expander in the form of a gapped annulus made of section steel having substantially H-shaped radial cross section, an... | 03/16/1993 |
| 4799694 | Piston ring and method of making the same A piston ring assembly has an expander spring of sheet material bent into an annular configuration. The expander spring has a circumferential series of radially oriented tongues and each tongue has an approximately axially bent leg. The tongues and legs a... | 01/24/1989 |
| 4695064 | Piston ring assembly and expander A piston-and-ring assembly includes a generally cylindrical piston, a circumferential groove provided in the piston and having a bottom and two radial flanks forming opposite sides of the groove; and an expander spring ring accommodated in the groove and ... | 09/22/1987 |
| 4669736 | Stirling engine with improved sealing piston ring assembly A sealing piston ring assembly for a Stirling engine which is effective to maintain the required pressure differential on opposite sides of the piston while still enabling free reciprocating movement of the piston within the cylinder. The piston ring asse... | 06/02/1987 |
| 4526386 | Nested serpentine seal assembly A piston seal assembly comprises a seal element of relatively hard material to resist extrusion. The element is of serpentine configuration to facilitate radial expansion. Backup elements nest with the seal element to stabilize the element within a comple... | 07/02/1985 |
| 4462602 | Piston ring with annular expander spring A piston ring assembly has a ring-shaped expander spring composed of an annular body defining an axial direction and presenting a circumferential main bending region and a plurality of resilient tongues extending radially outwardly from the main bending r... | 07/31/1984 |
| 4408770 | Piston ring assembly with tangential expander A compound oil ring comprises flat rings and a tangential expander provided therebetween. The tangential expander comprises an annular integrally bent serpentine spring having vertically extending webs and horizontally extending flanges terminating in ver... | 10/11/1983 |
