Trolling motor structure
阅读：321发布：2022-09-13
专利汇可以提供Trolling motor structure专利检索，专利查询，专利分析的服务。并且A trolling motor for operation immersed in water is provided including a watertight motor housing having a first end section and a second end section of a polymeric material, flux generating means supported by the motor housing, and an armature assembly having a shaft rotatably supported by the motor housing. The trolling motor housing is designed in a manner to sufficiently dissipate heat generated by operation of the motor to the water to prevent deformation of the housing, and the polymeric material of the motor housing is characterized by its thermal stability at normal operating temperatures of the motor when cooled by water in a predetermined manner, its high resistance to deformation and to breakage under impact, and its resistance to deterioration by water during normal use of the motor.，下面是Trolling motor structure专利的具体信息内容。
1. A trolling motor adapted for operation immersed in water, comprising: means encircling watertight motor including at least a first end section and a second end section of polymeric material, the sections of the housing being held together to form a watertight seal therebetween; flux generating means supported by the motor housing; an armature assembly having a shaft rotatably supported by the motor housing; the first end section having a closed end and the second end section having an end opening for receiving one end of the armature shaft through the opening, the first end section and the second end section having axially extending portions of reduced diameter and the ends of the shaft being rotatably supported within the axially extending portions in a manner to control heat generated by rotation of the armature assembly to prevent deformation of the housing; the polymeric material being characterized by its thermal stability at normal operating temperatures of the motor when cooled by water in a predetermined manner, its resistance to permanent deformation and to breakage under impact, and its resistance to deterioration by water during normal use of the motor; the opening in the second end section receiving the one end of the armature shaft being cylindrical in form and through the axially extending portion to provide a bearing directly supporting the end of the shaft; the second end section having passage means including a plurality of passages for water communicating with outside the second end section and extending into the second end section to communicate with the shaft; and sealing meansencircling the shaft and supported by the second end section at the inner side of the axially extending portion to prevent water from entering into the motor housing; the plurality of passages for water extending iNto the second end section between the sealing means and the axially extending portion to circulate water between the shaft and axially extending portion to dissipate heat generated between the axially extending portion and the shaft sufficiently to prevent deformation of the second end section.
2. The trolling motor of claim 1 in which walls of the motor housing have a thickness in the range from about 40 to about 150 thousandths of an inch.
3. A trolling motor adapted for operation immersed in water, comprising: a watertight motor housing including at least a first end section and a second end section of polymeric material, the sections of the housing being held together to form a watertight seal therebetween; flux generating means supported by the motor housing; an armature assembly having a shaft rotatably supported by the motor housing; the first end section having a closed end and the second end section having an end opening for receiving one end of the armature shaft through the opening, the first end section and second end section having axially extending portions of reduced diameter and the ends of the shaft being rotatably supported within the axially extending portions in a manner to control heat generated by rotation of the armature assembly to prevent deformation of the housing; the polymeric material being chracterized by its thermal stability at normal operating temperatures of the motor when cooled by water in a predetermined manner, its resistance to permanent deformation and to breakage under impact, and its resistance to deterioration by water during normal use of the motor; the axially extending portion of the second end section having a tubular portion through which the shaft extends and an annular portion supported in the tubular portion by a plurality of members between the tubular portion and annular portion, the annular portion encirculating the shaft and providing a bearing directly supporting the shaft; sealing means encirculating the shaft and supported by the tubular portion on the inside of the housing from the annular portion; and passage means provided between the tubular portion and the annular portion and between the sealing means and annular portion for circulating water from outside the housing around the annular portion and between the annular portion and the shaft.
4. A trolling motor adapted for operation immersed in water, comprising: a watertight motor housing including at least a first end section and a second end section of polymeric material, the sections of the motor housing being held together to form a watertight seal therebetween; flux generating means supported by the motor housing; an armature assembly having a shaft rotatably supported by the motor housing; the first end section having a closed end and the second end section having an end opening for receiving one end of the armature shaft through the opening, the first end section and second end section having axially extending portions of reduced diameter and the ends of the shaft being rotatably supported within the axially extending portions in a manner to control heat generated by rotation of the armature assembly to prevent deformation of the housing; the polymeric material being characterized by its thermal stability at normal operating temperatures of the motor when cooled by water in a predetermined manner, its resistance to permanent deformation and to breakage under impact, and its resistance to deterioration by water during normal use of the motor; the first end section including a cylindrical portion and a gradually outwardly sloping end portion, the axially extending portion of the first end section extending outwardly from the end portion and having reduced diameter from the cylindrical portion, the axially extending portion having an internal recess opening into the housing, the first end section including a plurality of reinforcing ribs extending from the outside periphery of thE cylindrical portion to the axially extending portion; and a bearing member supported in the recess of the axially extending portion of the first end section, the bearing member rotatably supporting one end of the shaft.
5. The trolling motor of claim 4 further comprising a second bearing member supported by the axially extending portion of the second end section and rotatably receiving one end of the armature shaft, whereby heat generated by operation of the motor is dissipated through the motor housing and armature shaft to the water.
6. The trolling motor of claim 5 in which the armature assembly includes a commutator section supported in the first end section, and the second bearing member is impregnated with oil to control heat generated in the second end section.
7. The trolling motor of claim 4 in which walls of the motor housing have a thickness in the range of about 40 to about 150 thousandths of an inch.
8. A trolling motor adapted for operation immersed in water, comprising: a watertight motor housing including at least a first end section and a second end section of polymeric material, the sections of the motor housing being held together to form a watertight seal therebetween; flux generating means supported by the motor housing; an armature assembly having a shaft rotatably supported by the motor housing; the first end section having a closed end and the second end section having an end opening for receiving one end of the armature shaft through the opening, the first end section and second end section having axially extending portions of reduced diameter and the ends of the shaft being rotatably supported within the axially extending portions in a manner to control heat generated by rotation of the armature assembly to prevent deformation of the housing; the polymeric material being characterized by its thermal stability at normal operating temperatures of the motor when cooled by water in a predetermined manner, its resistance to permanent deformation and to breakage under impact, and its resistance to deterioration by water during normal use of the motor; the first end section including a cylindrical portion and a gradually outwardly sloping end portion, the axially extending portion of the first end section extending outwardly from the end portion and having a reduced diameter from the cylindrical portion, the axially extending portion having an internal recess opening into the housing; a first bearing member supported in the recess of the axially extending portion of the first end section, the first bearing member rotatably supporting one end of the shaft; and a second bearing member supported by the axially extending portion of the second end section and rotatably supporting one end of the armature shaft; whereby heat generated by operation of the motor is dissipated through the motor housing and armature shaft to the water; the motor housing having walls of a thickness in the range from about 40 to about 150 thousandths of an inch.
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