Door system, particularly for a passenger plane

A door system for an aircraft having a bearing and guiding device acting between a door leaf and a door frame, a lifting device arranged between the bearing and guiding device and the door leaf, said lifting device moving the door leaf transversely to a moving path of the guiding device at an end of a closing movement into a form-locking engagement with door-frame-fixed receiving elements for a completely closed position, said lifting device moving the door leaf in an opposite lifting direction out of the form-locking engagement at a start of an opening operation, said lifting device containing lifting kinematics for a control of the door leaf lifting movement and a lifting drive assigned thereto, said door system comprising:

• an electric drive unit operatively coupled with the door leaf to provide said lifting drive;
• a mechanically actuated lift securing device acting in parallel with an electric actuation of the lifting drive by a door opening command, said lift securing device automatically locking the lifting device in the completely closed position in a door-leaf-fixed manner;
• and
• wherein the lifting kinematics include a four-bar linkage arranged between the bearing and guiding device and the door leaf, and wherein said electric drive unit is an electric linear actuator which operates on a diagonal of the four-bar linkage.

A door system for an aircraft having a bearing and guiding device acting between a door leaf and a door frame, a lifting device arranged between the bearing and guiding device and the door leaf, said lifting device moving the door leaf transversely to a moving path of the guiding device at an end of a closing movement into a form-locking engagement with door-frame-fixed receiving elements for a completely closed position, said lifting device moving the door leaf in an opposite lifting direction out of the form-locking engagement at a start of an opening operation, said lifting device containing lifting kinematics for a control of the door leaf lifting movement and a lifting drive assigned thereto, said door system comprising:

• an electric drive unit operatively coupled with the door leaf to provide said lifting drive;
• a mechanically actuated lift securing device acting in parallel with an electric actuation of the lifting drive by a door opening command, said lift securing device automatically locking the lifting device in the completely closed position in a door-leaf-fixed manner;
• and
• wherein, for actuating the lifting device, at least one hand lever is provided which is accessible from an interior side of the door leaf, is connected with the lift securing device by way of a clearing linkage, and controls the lifting drive by way of electric contacts.

A door system for an aircraft having a bearing and guiding device acting between a door leaf and a door frame, a lifting device arranged between the bearing and guiding device and the door leaf, said lifting device moving the door leaf transversely to a moving path of the guiding device at an end of a closing movement into a form-locking engagement with door-frame-fixed receiving elements for a completely closed position, said lifting device moving the door leaf in an opposite lifting direction out of the form-locking engagement at a start of an opening operation, said lifting device containing lifting kinematics for a control of the door leaf lifting movement and a lifting drive assigned thereto, said door system comprising:

• an electric drive unit operatively coupled with the door leaf to provide said lifting drive;
• a mechanically actuated lift securing device acting in parallel with an electric actuation of the lifting drive by a door opening command, said lift securing device automatically locking the lifting device in the completely closed position in a door-leaf-fixed manner;
• wherein, in addition to the electric drive unit, a pneumatic emergency lift drive is arranged on the door leaf and is activated by an emergency opening command with the simultaneous clearing of the lift securing device and has an assigned compressed-air accumulator for an at least one-time opening lift of the door leaf;
• and
• wherein, for actuating the lifting device, at least one hand lever is provided which is accessible from an interior side of the door leaf, is connected with the lift securing device by way of a clearing linkage, and controls the lifting drive by way of electric contacts.

A door system for an aircraft having a bearing and guiding device acting between a door leaf and a door frame a lifting device arranged between the bearing and guiding device and the door leaf, said lifting device moving the door leaf transversely to a moving path of the guiding device at an end of a closing movement into a form-locking engagement with door-frame-fixed receiving elements for a completely closed position said lifting device moving the door leaf in an opposite lifting direction out of the form-locking engagement at a start of an opening operation, said lifting device containing lifting kinematics for a control of the door leaf lifting movement and a lifting drive assigned thereto, said door system comprising:

• an electric drive unit operatively coupled with the door leaf to provide said lifting drive;
• a mechanically actuated lift securing device acting in parallel with an electric actuation of the lifting drive by a door opening command said lift securing device automatically locking the lifting device in the completely closed position in a door-leaf-fixed manner;
• wherein the lifting device is automatically locked in a door-leaf-fixed manner by means of the lift securing device in both lifting end positions;
• and
• wherein, for actuating the lifting device, at least one hand lever is provided which is accessible from an interior side of the door leaf, is connected with the lift securing device by way of a clearing linkage, and controls the lifting drive by way of electric contacts.

A door system for an aircraft having a bearing and guiding device acting between a door leaf and a door frame a lifting device arranged between the bearing and guiding device and the door leaf, said lifting device moving the door leaf transversely to a moving path of the guiding device at an end of a closing movement into a form-locking engagement with door-frame-fixed receiving elements for a completely closed position, said lifting device moving the door leaf in an opposite lifting direction out of the form-locking engagement at a start of an of an opening operation, said lifting device containing lifting kinematics for a control of the door leaf lifting movement and a lifting drive assigned thereto, said door system comprising:

• an electric drive unit operatively couple with the door leaf to provide said lifting drive;
• a mechanically actuated lift securing device acting in parallel with an electric actuation of the lifting drive by a door opening command, said lift securing device automatically locking the lifting device in the completely closed position in a door-leaf-fixed manner;
• wherein the lift securing device comprises:
• a locking disk which is provided with at least one locking element, is coupled with the lifting device in a rotationally fixed manner, and is rotated during each lifting movement about a door-leaf-fixed axis;
• and
• a locking lever which is disposed on the door leaf, automatically interacts with the locking element at least in one lifting end position under prestress, non-rotatably locks the locking disk on the door leaf and can be withdrawn from the engaging position with the locking element by means of a mechanical clearing linkage of the lift securing device.

A door system for an aircraft having a bearing guiding device acting between a door leaf and a door frame, a lifting device arranged between the bearing and guiding device and the door leaf, said lifting device moving the door leaf transversely to a moving path of the guiding device at an end of a closing movement into a form-locking engagement with door-frame-fixed receiving elements for a completely closed position, said lifting device moving the door leaf in an opposite lifting direction out of the form-locking engagement at a start of an opening operation, said lifting device containing lifting kinematics for a control of the door leaf lifting movement and a lifting drive assigned thereto, said door system comprising:

• an electric drive unit operatively couple with the door leaf to provide said lifting drive;
• a mechanically actuated lift securing device acting in parallel with an electric actuation of the lifting drive by a door opening command said lift securing device automatically locking the lifting device in the completely closed position in a door-leaf-fixed manner;
• wherein in addition to the electric drive unit, a pneumatic emergency drive is arranged on the door leaf and is activated by an emergency opening command with the simultaneous clearing of the lift securing device and has an assigned compressed-air accumulator for an at least one-time opening lift of the door leaf;
• wherein the lift securing device comprises:
• a locking disk which is provided with at least one locking element, is coupled with the lifting device in a rotationally locking manner, and is rotated during each lifting movement about a door-leaf-fixed axis;
• and
• a locking lever which is disposed on the door leaf, automatically interacts with the locking element at least in one lifting end position under prestress, non-rotatably locks the locking disk on the door leaf and can be withdrawn from the engaging position with the locking element by means of a mechanical clearing linkage of the lift securing device.

A door system for an aircraft having a bearing and guiding device acting between a door leaf and a door frame, a lifting device arranged between the bearing and guiding device and the door leaf, said lifting device moving the door leaf transversely to a moving path of the guiding device at an end of a closing movement into a form-locking engagement with door-frame-fixed receiving elements for a completely closed position, said lifting device moving the door leaf in an opposite lifting direction out of the form-locking engagement at a start of an opening operation, said lifting device containing lifting kinematics for a control of the door leaf lifting movement and a lifting drive assigned thereto, said door system comprising:

• an electric drive unit operatively coupled with the door leaf to provide said lifting drive;
• a mechanically actuated lift securing device acting in parallel with an electric actuation of the lifting drive by a door opening command, said lift securing device automatically locking the lifting device in the completely closed position in a door-leaf-fixed manner;
• wherein the lifting device is automatically locked in a door-leaf-fixed manner by means of the lift securing device in both lifting end positions;
• wherein the lift securing device comprises:
• a locking disk which is provided with at least one locking element, is coupled with the lifting device in a rotationally locking manner, and is rotated during each lifting movement about a door-leaf-fixed axis;
• and
• a locking lever which is disposed on the door leaf, automatically interacts with the locking element at least in one lifting end position under prestress, non-rotatably locks the locking disk on the door leaf and can be withdrawn from the engaging position with the locking element by means of a mechanical clearing linkage of the lift securing device.