Cam Operated Patents (Class 74/9)
  • Publication number: 20150053026
    Abstract: An ignition operation actuator including a drive section, a flexible shaft rotationally driven by the drive section, and an operation section on a tip end portion of the flexible shaft, the operation section including a press button that presses a push-type ignition, a motion conversion mechanism, and a holder to which the press button and a motion conversion mechanism are mounted, the motion conversion mechanism including a cam that is rotated about a rotation shaft so as to press a cam engagement portion disposed on a back face side of the push-type ignition, wherein the tip end portion of the flexible shaft is detachably connected to an adapter disposed on the holder, and rotation of the flexible shaft is transmitted to the rotation shaft of the cam via a rotation transmission mechanism.
    Type: Application
    Filed: March 21, 2013
    Publication date: February 26, 2015
    Inventor: Kazuhisa Otsuki
  • Publication number: 20080276735
    Abstract: The invention pertains to a device for starting an internal combustion engine for handheld equipment such as chain saws, lawn mowers, lawn trimmers and the like, or for vehicles such as mopeds, boats or miniature aircraft. The starting device features an output element into which a starter torque can be introduced when the starting device is actuated. The output element is functionally connected to a crankshaft of the internal combustion engine in order to introduce a crankshaft torque therein. The functional connection between the output element and the crankshaft introduces variable crankshaft torque into the crankshaft depending on the rotational angle of the crankshaft at a constant starter torque. This advantageously improves force or torque characteristics for largely operating the starter device independently of the compression phase and the expansion phase of the internal combustion engine.
    Type: Application
    Filed: May 5, 2008
    Publication date: November 13, 2008
    Applicant: DOLMAR GMBH
    Inventor: Christian Kellermann
  • Publication number: 20080223156
    Abstract: An outer race support plate to which torque of a pinion gear is transmitted from a ring gear via a one-way clutch and thus rotates a crankshaft is provided separately from a flywheel and is mounted to the crankshaft not via the flywheel. As a result, impact noise produced when the one-way clutch engages is not directly transmitted to the flywheel. Accordingly, noise radiation from the flywheel can be suppressed, thereby enabling noise to be reduced.
    Type: Application
    Filed: July 25, 2006
    Publication date: September 18, 2008
    Inventors: Tomoaki Suzuki, Toshiaki Asada, Makoto Ishikawa, Toshimitsu Shiba, Kazuhito Sakai
  • Patent number: 6935202
    Abstract: An inertia-drive starter is proposed, in the case of which a relay is not required to engage the pinion in the flywheel ring gear (47) of an internal combustion engine. With this starter, a pushing-forward of the driven shaft (33) to engage a pinion (45) in the flywheel ring gear (47) is brought about by means of a pole tube (9) located on the stator (5) of the starter motor (5, 7), which said pole tube executes a turning motion around the motor axis when the starter motor (5, 7) is energized. Means (55, 63, 77, 79) are provided that convert the turning motion of the pole tube (9) directly into an axial motion acting on the driven shaft (33).
    Type: Grant
    Filed: July 11, 2002
    Date of Patent: August 30, 2005
    Assignee: Robert Bosch GmbH
    Inventors: Hans-Dieter Siems, Ingo Richter, Sven Hartmann, Hans Braun, Juergen Kugler
  • Patent number: 6216440
    Abstract: A device for starting the engine of model jet engines. The device includes an electric motor with a coupling mechanism, enables the electric motor to be coupled to the turbine and start the turbine in operation and thereafter, decouple from the turbine after the turbine of the engine has started rotating.
    Type: Grant
    Filed: January 15, 1999
    Date of Patent: April 17, 2001
    Assignee: Ingenieurb├╝ro CAT M. Zipperer GmbH
    Inventor: Markus Zipperer
  • Patent number: 5271285
    Abstract: A hydraulic starter for gas turbine engines comprises a one piece shaft located in a motor cylinder block and having an internally splined end that extends outside of the cylinder block and is adapted to receive a coupling shaft that in turn engages a turbine shaft, a clutch concentrically mounted about the shaft in the cylinder block and shaft bearings also concentrically mounted about the shaft in the cylinder block. The starter also includes a valve plate and at least one outer bearing, and may include a spring member. The valve plate and the at least one outer bearing support the cylinder block.
    Type: Grant
    Filed: July 6, 1992
    Date of Patent: December 21, 1993
    Assignee: General Signal Corporation
    Inventors: Loron E. Silliman, Jr., Gregory J. Warner, Howard E. Huber, Jr.
  • Patent number: 5095865
    Abstract: A system for remotely starting model toy internal combustion engines, used for propulsion of the model toy, such as an airplane, helicopter, boat, automobile, or other similar vehicles. The starter mechanism being contained in a single case, coupled to a single gear attached to the model engines crankshaft. The starter case being sufficiently small so as to allow it to be mounted directly to the model toys internal combustion engine. An electrical starter motor attached to the starter mechanism case, for cranking the engine, operating from the internal batteries on board the model toy. A remotely controlled servo starting circuit that energizes the engines ignitor plug, allowing sufficient preheat time, and activates the starter motor, from signals provided by the radio receiver on board the model toy vehicle.
    Type: Grant
    Filed: April 2, 1990
    Date of Patent: March 17, 1992
    Inventor: Harry W. Keister
  • Patent number: 4738148
    Abstract: A starter drive is disclosed for a starting system of an internal combustion engine. A pinion is rotatably mounted on the starter motor shaft for engagement with the ring gear on the fly wheel of the engine. A drive sleeve disposed coaxially of the shaft is coupled with the pinion through an overrunning clutch. A helical cam and follower are connected between the shaft and the drive sleeve for advancing and retracting the pinion according to the relative speeds of the drive sleeve and the shaft. A friction brake is provided for the drive sleeve to restrain it against rotation during advancing movement of the starter drive. The starter motor has a permanent magnet field and the armature is connected across an electromagnet by the starter switch when it is turned off to provide dynamic braking for the motor. The electromagnet coacts with the permanent magnet brake to disable the friction brake while the motor is slowing down.
    Type: Grant
    Filed: February 17, 1987
    Date of Patent: April 19, 1988
    Inventor: Peter Norton
  • Patent number: 4319139
    Abstract: An internal-combustion starter assembly has a starter motor whose axially displaceable output gear meshes in a forwardly advanced position with an engine gear and which is out of mesh with this engine gear in a backwardly retracted position. Operating mechanism for this gear includes a control motor having a rotary output shaft carrying a cam with a noncircular cam periphery. A cam follower is radially engageable with this cam periphery and is coupled by means of a control rod and a link to the starter-motor gear to displace this gear between its advanced and retracted positions on rotation of the cam through A control arrangement includes a start switch for operating the control motor to displace the starter-motor gear from its retracted position into its advanced position and then back into its retracted position, and for energizing the starter motor when the starter-motor gear is in the advanced position.
    Type: Grant
    Filed: December 11, 1979
    Date of Patent: March 9, 1982
    Assignee: Societe de Paris et du Rhone
    Inventor: Alfred B. Mazzorana
  • Patent number: 4197885
    Abstract: A direct cranking starter device for an internal combustion engine has a rotatable driving member to be connected to a starting motor and an overrunning clutch for engaging the driving member to the crankshaft of the engine with a movable shock absorbing member interposed between the driving member and overrunning clutch to prevent initial starting torque intermittent shock loads generated upon initial activation of the starting motor from being transmitted through the driving member to the overrunning clutch.
    Type: Grant
    Filed: March 13, 1978
    Date of Patent: April 15, 1980
    Assignee: Facet Enterprises, Inc.
    Inventor: Harold R. Mortensen